# File is locked - how to unlock

**URL:** <https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883>\
**Category:** 📑 How to\
**Tags:** database\
**Created:** [July 24, 2016, 8:56am UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883 "2016-07-24T08:56:50Z")\
**Posts on this page:** 20\
**Page:** 1

<div class="post-metadata">

**Author:** ![tflidd](https://help.nextcloud.com/letter_avatar/tflidd/32/5_5575768a8748004e209b776fc1b2916d.png) [@tflidd](https://help.nextcloud.com/u/tflidd)\
**Post date:** [July 24, 2016, 8:56am UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/1 "2016-07-24T08:56:50Z")

</div>

You can’t access files because they are locked and you find such errors in your logfile:

`{"reqId":"0DijSqEkfOg2iyh9VD8J","remoteAddr":"xx.xx.xx.xx","app":"webdav","message":"Exception: {\"Message\":\"HTTP\\\/1.1 423 \\\"path\\\/file.extension\\\" is locked\",\"Exception\":\"OCA\\\\DAV\\\\Connector\\\\Sabre\\\\Exception\\\\FileLocked\",\"Code\":0,\"Trace\":\"#0`

**Manually disable locking state:**

- put Nextcloud in maintenance mode: edit `config/config.php` and change this line:  
` 'maintenance' => true,`
- Empty table `oc_file_locks`, the `<dbname>` and `<dbtableprefix>` as well as the and `<dbpassword>` can be found in the `config/config.php` file of your setup.
  - Use either tools such as phpmyadmin or connect directly to your database `<dbname>` and run:  
`DELETE FROM <dbname>.<dbtableprefix>file_locks WHERE true;`
  - Use the command line (terminal) and run the command as your with your :  
`mysql -u <dbuser> -p <dbpassword> DELETE FROM <dbname>.<dbtableprefix>file_locks WHERE true;`
  - And docker users, they need to run the command within `<dbcontainername>` container:  
`docker exec -ti <dbcontainername> mysql -u <dbuser> -p <dbpassword> DELETE FROM <dbname>.<dbtableprefix>file_locks WHERE 1;`

- disable maintenance mode (undo first step).
- Make sure your cron-jobs run properly (you admin page tells you when cron ran the last time): [Background jobs — Nextcloud latest Administration Manual latest documentation](https://docs.nextcloud.com/server/stable/admin_manual/configuration_server/background_jobs_configuration.html)
- Run a file check to update the filecache table, in case due to the locking errors, some files were not indexed properly: `sudo -u www-data php occ files:scan --all`

**Permanent solution (if it happens regularly)**

- on your **own server** : Use redis for this feature. It is faster and so far no problems have been reported. You can follow the instructions for memory-caching in the docs: [Memory caching — Nextcloud latest Administration Manual latest documentation](https://docs.nextcloud.com/server/stable/admin_manual/configuration_server/caching_configuration.html#id2)
- **Shared hosting** (others who can’t install redis): You can disable the file locking, edit your configuration file `config/config.php`:  
`'filelocking.enabled' => false,`  
However, disabling this feature is not a good solution. You can run into problems when several processes try to write to a file (especially online editors in the web-interface). In single-user and/or single-client environments, you can consider this as a workaround.

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<div class="post-metadata">

**Author:** ![koreywithak](https://help.nextcloud.com/user_avatar/help.nextcloud.com/koreywithak/32/12646_2.png) [@koreywithak](https://help.nextcloud.com/u/koreywithak)\
**Post date:** [October 29, 2016, 4:40pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/2 "2016-10-29T16:40:56Z")

</div>

I have this problem. However, the manual solution above didn’t fix it. When I was in mysql to delete the locks, it did mention 17 rows affected. Now it says none, so it seems like it did delete locks. My Nextcloud cron jobs do still run properly, as indicated in the admin page. My file is still locked, though. I am using redis for data caching–not sure if that makes a difference.

Exception: {“Message”:“HTTP/1.1 423 “myfile.file” is locked”,“Exception”:“OCA\DAV\Connector\Sabre\Exception\FileLocked”,“Code”:0,“Trace”:"#0 /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Tree.php(179): OCA\DAV\Connector\Sabre\File-\>delete()\n#1 /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/CorePlugin.php(285): Sabre\DAV\Tree-\>delete(‘myfile.fil…’)\n#2 [internal function]: Sabre\DAV\CorePlugin-\>httpDelete(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))\n#3 /var/www/nextcloud/3rdparty/sabre/event/lib/EventEmitterTrait.php(105): call\_user\_func\_array(Array, Array)\n#4 /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php(459): Sabre\Event\EventEmitter-\>emit(‘method:DELETE’, Array)\n#5 /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php(248): Sabre\DAV\Server-\>invokeMethod(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))\n#6 /var/www/nextcloud/apps/dav/appinfo/v1/webdav.php(60): Sabre\DAV\Server-\>exec()\n#7 /var/www/nextcloud/remote.php(165): require\_once(’/var/www/nextcl…’)\n#8 {main}",“File”:"/var/www/nextcloud/apps/dav/lib/Connector/Sabre/File.php",“Line”:343,“User”:“[my.name](http://my.name)”}

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<div class="post-metadata">

**Author:** ![koreywithak](https://help.nextcloud.com/user_avatar/help.nextcloud.com/koreywithak/32/12646_2.png) [@koreywithak](https://help.nextcloud.com/u/koreywithak)\
**Post date:** [October 29, 2016, 4:46pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/3 "2016-10-29T16:46:30Z")

</div>

Well, I finally found a post that mentioned to run this _in the root of nextcloud_:  
sudo -u www-data php occ files:scan --all

That fixed it.

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<div class="post-metadata">

**Author:** ![janar](https://help.nextcloud.com/user_avatar/help.nextcloud.com/janar/32/1339_2.png) [@janar](https://help.nextcloud.com/u/janar)\
**Post date:** [December 15, 2016, 1:11pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/4 "2016-12-15T13:11:20Z")

</div>

Hei,  
sudo -u www-data php occ files:scan --all  
Not worked for me…  
Still i cannot delete folder…  
I get this message:  
Exception while scanning: File entry could not be inserted with insertIfNotExist() but could also not be selected with getId() in order to perform an update. Please try again.

Help ?

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<div class="post-metadata">

**Author:** ![Maulwurf](https://help.nextcloud.com/letter_avatar/maulwurf/32/5_5575768a8748004e209b776fc1b2916d.png) [@Maulwurf](https://help.nextcloud.com/u/Maulwurf)\
**Post date:** [December 15, 2016, 1:56pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/5 "2016-12-15T13:56:12Z")

</div>

Ok, then it most probably is a file System error.

You should let your filesystem be checked with scandisk (Windows Filesystems) or e2fsck (Linux Filesystems). Search the Internet for detailed tutorials.

Greetings

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<div class="post-metadata">

**Author:** ![Dark-Schnitzel](https://help.nextcloud.com/user_avatar/help.nextcloud.com/dark-schnitzel/32/23448_2.png) [@Dark-Schnitzel](https://help.nextcloud.com/u/Dark-Schnitzel)\
**Post date:** [February 10, 2017, 11:22am UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/6 "2017-02-10T11:22:21Z")

</div>

Tried all of the above and cant get a Folder deleted. Deadlock found error

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<div class="post-metadata">

**Author:** ![Jbertan42](https://help.nextcloud.com/letter_avatar/jbertan42/32/5_5575768a8748004e209b776fc1b2916d.png) [@Jbertan42](https://help.nextcloud.com/u/Jbertan42)\
**Post date:** [February 27, 2017, 9:09am UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/7 "2017-02-27T09:09:26Z")

</div>

Is a sudo -u www-data php occ files:scan – do also check for file if i’m using Object Storage as primary way to keep files?

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<div class="post-metadata">

**Author:** ![t\_aus\_m](https://help.nextcloud.com/user_avatar/help.nextcloud.com/t_aus_m/32/6866_2.png) [@t\_aus\_m](https://help.nextcloud.com/u/t_aus_m)\
**Post date:** [April 13, 2017, 12:31pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/8 "2017-04-13T12:31:10Z")

</div>

I tried the above steps, didn’t work for me.

Also the table got some entries with lock state -1 or 2. What do those mean? Do I have to delete them aswell?

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<div class="post-metadata">

**Author:** ![pedropt](https://help.nextcloud.com/letter_avatar/pedropt/32/5_5575768a8748004e209b776fc1b2916d.png) [@pedropt](https://help.nextcloud.com/u/pedropt)\
**Post date:** [April 25, 2017, 7:34am UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/9 "2017-04-25T07:34:57Z")

</div>

For those that do not know how to connect or even the owncloud database name in mysql (mariadb) , follow these instructions :

0 - put your nextcloud under maintenance mode on config.php , so no one access it while you are doing changes .

1st - open your config.php in your nextcloud server folder under “config” folder .

2nd - there should be a field the like this : " ‘dbname’ =\> " , in this field there is your database name .

3rd - open a terminal window and execute under a root account :

- mysql -u root -p  
"enter your password"

then connect to nextcloud database with the following command :

- connect database  
database = your config.php databasename field

after this point all you have to do is to issue the sql command to delete all data inside the oc\_file\_locks table

-DELETE FROM oc\_file\_locks WHERE 1;

then after this point all you have to do is :  
\q

to close sql prompt and you are done .

Remove the maintenance mode from config.php and start uploading your files over web interface or dav .

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<div class="post-metadata">

**Author:** ![janvlug](https://help.nextcloud.com/user_avatar/help.nextcloud.com/janvlug/32/7652_2.png) [@janvlug](https://help.nextcloud.com/u/janvlug)\
**Post date:** [June 7, 2017, 12:35pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/10 "2017-06-07T12:35:46Z")

</div>

I have similar troubles with a Nextcloud installation that I migrated from an Owncloud installation that I’m running on a Synology diskstation.

This is the database command that I tried:  
`DELETE FROM owncloud.file_locks WHERE file_locks.lock=1;`  
but this did not work, so later on I tried:  
`sudo -u http php56 occ files:scan --all`  
(note that I had to use the ‘http’ for username instead of ‘www-data’ and that I had to explicitely state the version in the php56 command.)

The scan resulted also in exceptions while scanning:  
`Exception while scanning: "files/0e3e13890e7b79a0edc572f53b262079" is locked #0 /volume1/web/nextcloud/lib/private/Files/Storage/Common.php(680): OC\Lock\DBLockingProvider->acquireLock('files/0e3e13890...', 1) #1 /volume1/web/nextcloud/lib/private/Files/Storage/Wrapper/Wrapper.php(588): OC\Files\Storage\Common->acquireLock('files/Familie/B...', 1, Object(OC\Lock\DBLockingProvider)) #2 /volume1/web/nextcloud/lib/private/Files/Storage/Wrapper/Wrapper.php(588): OC\Files\Storage\Wrapper\Wrapper->acquireLock('files/Familie/B...', 1, Object(OC\Lock\DBLockingProvider)) #3 /volume1/web/nextcloud/lib/private/Files/Cache/Scanner.php(148): OC\Files\Storage\Wrapper\Wrapper->acquireLock('files/Familie/B...', 1, Object(OC\Lock\DBLockingProvider)) #4 /volume1/web/nextcloud/lib/private/Files/Cache/Scanner.php(420): OC\Files\Cache\Scanner->scanFile('files/Familie/B...', 3, '157625', NULL, true) #5 /volume1/web/nextcloud/lib/private/Files/Cache/Scanner.php(388): OC\Files\Cache\Scanner->handleChildren('files/Familie', true, 3, '157625', true, 53184942) #6 /volume1/web/nextcloud/lib/private/Files/Cache/Scanner.php(391): OC\Files\Cache\Scanner->scanChildren('files/Familie', true, 3, 157625, true) #7 /volume1/web/nextcloud/lib/private/Files/Cache/Scanner.php(391): OC\Files\Cache\Scanner->scanChildren('files', true, 3, 23, true) #8 /volume1/web/nextcloud/lib/private/Files/Cache/Scanner.php(322): OC\Files\Cache\Scanner->scanChildren('', true, 3, 21, true) #9 /volume1/web/nextcloud/lib/private/Files/Utils/Scanner.php(196): OC\Files\Cache\Scanner->scan('', true, 3) #10 /volume1/web/nextcloud/apps/files/lib/Command/Scan.php(159): OC\Files\Utils\Scanner->scan('/jan') #11 /volume1/web/nextcloud/apps/files/lib/Command/Scan.php(227): OCA\Files\Command\Scan->scanFiles('jan', '/jan', false, Object(Symfony\Component\Console\Output\ConsoleOutput), false) #12 /volume1/web/nextcloud/3rdparty/symfony/console/Command/Command.php(256): OCA\Files\Command\Scan->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #13 /volume1/web/nextcloud/core/Command/Base.php(161): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #14 /volume1/web/nextcloud/3rdparty/symfony/console/Application.php(818): OC\Core\Command\Base->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #15 /volume1/web/nextcloud/3rdparty/symfony/console/Application.php(186): Symfony\Component\Console\Application->doRunCommand(Object(OCA\Files\Command\Scan), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #16 /volume1/web/nextcloud/3rdparty/symfony/console/Application.php(117): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #17 /volume1/web/nextcloud/lib/private/Console/Application.php(169): Symfony\Component\Console\Application->run(NULL, NULL) #18 /volume1/web/nextcloud/console.php(90): OC\Console\Application->run() #19 /volume1/web/nextcloud/occ(11): require_once('/volume1/web/ne...') #20 {main}`

My Nextcloud client is still giving errors like:  
Error transferring - server replied: Locked

Do you have any suggestions?

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<div class="post-metadata">

**Author:** ![janvlug](https://help.nextcloud.com/user_avatar/help.nextcloud.com/janvlug/32/7652_2.png) [@janvlug](https://help.nextcloud.com/u/janvlug)\
**Post date:** [June 7, 2017, 3:26pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/11 "2017-06-07T15:26:01Z")

</div>

I did some further investigations and noted that the owncloud.file\_locks table had some more rows where the lock was \<\> 0, but not 1:  
`SELECT * FROM owncloud.file_locks WHERE file_locks.lock<>0;`  
which resulted in:  
`+-------+------+----------------------------------------+------------+`  
`| id | lock | key | ttl |`  
`+-------+------+----------------------------------------+------------+ | 14 | -1 | files/0e3e13890e7b79a0edc572f53b262079 | 1459283811 | | 15 | -1 | files/4f8cbf29cadcc31429f83d792e806885 | 1459283811 | | 89 | 26 | files/e96e1dcb01f6d44a74247b4ec38f0170 | 1496838714 | | 22846 | 27 | files/46e069d0509232e543a2112007e46765 | 1496838719 | | 22848 | 26 | files/bc4e386d83896b627f63b4e7f48c2d1e | 1496838719 | | 23877 | 25 | files/27de4bb5c6042f2a920e605c9884fdcd | 1496840605 | +-------+------+----------------------------------------+------------+`

I deleted the rows where the lock value is -1  
`DELETE FROM owncloud.file_locks WHERE id=14;`  
`DELETE FROM owncloud.file_locks WHERE id=15;`

This solved the problem that I was encountering.

Note that there are also files with a lock value of 25, 26, and 27. I did not research the meaning of these values yet, nor the meaning of -1.

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<div class="post-metadata">

**Author:** ![janvlug](https://help.nextcloud.com/user_avatar/help.nextcloud.com/janvlug/32/7652_2.png) [@janvlug](https://help.nextcloud.com/u/janvlug)\
**Post date:** [June 7, 2017, 3:54pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/12 "2017-06-07T15:54:54Z")

</div>

Some remarks to the initial post at the top of this thread:

1. The SQL statement overthere is not completely correct.  
a. In my Nextcloud the table was just named `file_locks`  
b. The where clause should be something like: `WHERE file_locks.lock=1`
2. The SQL command I used is:  
`DELETE FROM owncloud.file_locks WHERE file_locks.lock=1;`
3. There can be other lock values then 0 and 1 as well, like -1, 25, 26, and 27. I had to delete the ones with value -1 as well.

See my above posts for more details.

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<div class="post-metadata">

**Author:** ![mwallace](https://help.nextcloud.com/letter_avatar/mwallace/32/5_5575768a8748004e209b776fc1b2916d.png) [@mwallace](https://help.nextcloud.com/u/mwallace)\
**Post date:** [June 18, 2017, 12:31am UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/13 "2017-06-18T00:31:52Z")

</div>

```
'maintenance' => true,
'filelocking.enabled' => false,
```

These two items helped me fix the problem.

1. I put Nextcloud in maintenance mode
2. Used Adminer to access the file\_locs table.
3. The “lock” field in most rows was zero. In others it was 17, 11, or 4. I changed all these values to zero.
4. Went to the Web interface, and deleted the stubborn items in question.
5. Went back to Adminer, and reset the values to what they were previously.
6. Confirmed operation by creating then deleting the same name files and folders using identical paths.

I am on a shared server, so turned off file locking, and am monitoring the situation.

Thanks for the great info.

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<div class="post-metadata">

**Author:** ![Brjhaverkamp](https://help.nextcloud.com/user_avatar/help.nextcloud.com/brjhaverkamp/32/44436_2.png) [@Brjhaverkamp](https://help.nextcloud.com/u/Brjhaverkamp)\
**Post date:** [June 28, 2017, 9:12am UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/14 "2017-06-28T09:12:24Z")

</div>

Hello,

I’m running into the locking problem and found this text. It is a very good guidance. It hould be part of the authoritive answer!

But the text of the last 2 bullets of the permanent solution seem to contradict.  
Bullet 2 states "You can disable the file locking,"  
Bullet 3 states "Disabling is no solution"  
Is the last bullet a comment on the 2nd? Or are they talking about 2 different "disablings"  
Can someone edit it to solve this once and for all?

Regards,

Bert

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<div class="post-metadata">

**Author:** ![honza-kasik](https://help.nextcloud.com/letter_avatar/honza-kasik/32/5_5575768a8748004e209b776fc1b2916d.png) [@honza-kasik](https://help.nextcloud.com/u/honza-kasik)\
**Post date:** [July 2, 2017, 7:59am UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/15 "2017-07-02T07:59:20Z")

</div>

I had the problem with locked files too. In my case I found that I have cron job configured to start through AJAX. Problem was, that I rarely used web interface, so after I run `cron.php` manually in Nextcloud install root, everything went to normal. I also configured it to run as a cron job every 15 minutes. See manual [how to configure Nextcloud cron jobs](https://docs.nextcloud.com/server/11/admin_manual/configuration_server/background_jobs_configuration.html).

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<div class="post-metadata">

**Author:** ![Donlawat\_Theparak](https://help.nextcloud.com/user_avatar/help.nextcloud.com/donlawat_theparak/32/4546_2.png) [@Donlawat\_Theparak](https://help.nextcloud.com/u/Donlawat_Theparak)\
**Post date:** [August 3, 2017, 6:52am UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/16 "2017-08-03T06:52:28Z")

</div>

what are the reasons of file locked ? Is it normal ?

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<div class="post-metadata">

**Author:** ![laurent](https://help.nextcloud.com/user_avatar/help.nextcloud.com/laurent/32/7307_2.png) [@laurent](https://help.nextcloud.com/u/laurent)\
**Post date:** [January 25, 2018, 3:39pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/17 "2018-01-25T15:39:25Z")

</div>

I had this issue when I tried to delete a file, but it resulted in an Apache segmentation fault. I fixed this bug and tried to delete the file again but this time it was locked.

So I think the issue is that Nextcloud locks the file before trying delete it and then, if there’s a crash or other error, the lock is never released.

I think the UI should make it clearer what file is locked and provide some way to unlock it. Or, better, have some mechanism to prevent files from being locked and never unlocked afterwards.

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<div class="post-metadata">

**Author:** ![alfred](https://help.nextcloud.com/letter_avatar/alfred/32/5_5575768a8748004e209b776fc1b2916d.png) [@alfred](https://help.nextcloud.com/u/alfred)\
**Post date:** [January 25, 2018, 3:57pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/18 "2018-01-25T15:57:42Z")

</div>

> [@laurent](#):
>
> Or, better, have some mechanism to prevent files from being locked and never unlocked afterwards.

If this is your own server then you should set up Redis like @tflidd recommends.

> [@tflidd](#):
>
> Permanent solution (if it happens regularly)
> 
> on your own server: Use redis for this feature. It is faster and so far no problems have been reported. You can follow the instructions for memory-caching in the docs: [https://docs.nextcloud.org/server/9.0/admin\_manual/configuration\_server/caching\_configuration.html#id4](https://docs.nextcloud.org/server/9.0/admin_manual/configuration_server/caching_configuration.html#id4)

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<div class="post-metadata">

**Author:** ![ELAN42](https://help.nextcloud.com/user_avatar/help.nextcloud.com/elan42/32/7815_2.png) [@ELAN42](https://help.nextcloud.com/u/ELAN42)\
**Post date:** [February 24, 2018, 3:43pm UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/19 "2018-02-24T15:43:17Z")

</div>

Before following this suggestions, I would like to know…

For what purpose file locking was created ?

I have 40.000 entries in my oc\_file\_locs table, that seems a little too much for me!  
Also wiping out all of this locks, seems a bit dangerous to me just to fix 1 problem (I can’t delete a folder…)

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<div class="post-metadata">

**Author:** ![Ascendancer](https://help.nextcloud.com/user_avatar/help.nextcloud.com/ascendancer/32/3339_2.png) [@Ascendancer](https://help.nextcloud.com/u/Ascendancer)\
**Post date:** [February 25, 2018, 9:39am UTC](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883/20 "2018-02-25T09:39:06Z")

</div>

As far as i know its there, so that you no other process can access the file while it is written, or otherwise processed.

The issue is, that there is maybe a logical inconsistency, since i could not find an “1” entries under the lock column. If you delete all entries, they will be rebuild automatically when you exit maintenance mode, but this time in a correct order. I tried this on a testsystem, before applying this on our production mashine, and it worked just fine.

Keep in mind, i drew some assoumtions here. I would be happy if someone could either confirm this, or correct me if nessecary.

[Next page](https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883.md?page=2)