Getting stuck into DFU mode is a very common problem for iPhone users as they have to put their iOS iPhone in DFU mode while updating it to iOS 12/11 or jailbreaking them. Before discussing the methods to fix iPhone stuck in DFU mode, let us have brief information about what DFU mode is and how your iPhone gets stuck into it.
Part 1. Introduction to DFU Mode
Do you know that an iPhone can be restored in three different ways? These three methods include standard restoration with iTunes, restoration in recovery mode and restoration in DFU mode for safer restoration. In this way, DFU or Default Firmware Update mode is used for deepest restoration of your mobile phone because it has potential to restore the problem on permanent basis. Apple has not revealed the secret of this restoration mode for long.
See also: How to Fix iPhone Stuck in Recovery Mode
Part 2. Reasons for iPhone Trapped in DFU Mode
Your iPhone can get stuck into DFU mode unintentionally for various reasons and this can be concluded as software issue or hardware problem. Certain kind of software problem can also be the root cause of DFU mode sticking including some glitch in the software, jailbreaking the device, updating software, etc. If you have mishandled your device then there can be hardware problem. It can be due to getting wet, dropped it or annoying the hardware somehow or the other, which may stick your iPhone in DFU mode.
Part 3. How to Fix iPhone Stuck in DFU Mode (iOS 12 Supported)
1. Try for a hard reset
2. Use iTunes to restore iPhone
3. Get iPhone fixed in DFU mode quickly without losing data
4. Get your device serviced from Apple
So, these are all tips for fixing iPhone stuck in DFU mode issue. Try them one by one until your problem is solved. One point you need to pay attention is that, you may lost your important data when your iPhone is jammed in this DFU mode. So, we suggest you to back up your data periodically, so that you have more chance to bring lost data back from backup files. If you forget to sync the data, you can try Joyoshare iPhone Data Recovery to recover lost data, but it cannot guarantee a 100% success rate.