What to do when the Samsung phone is paused during the recovery of the factory setup

First, Press and hold (long Press) the power key to reboot or install the battery again in about 8 seconds and restore the factory settings. The startup process may stop if there is a temporary failure in the software. applications that may cause a restart stop are: Launcher EX, Golocker, Spycamera, and so on. It is recommended that you restart and remove the specified application in Safe mode (if you do not know which application is causing the failure, we recommend that you first remove the newly installed application).  

* How to get into Safe mode?

Restart the phone, when the "Samsung" logo, hold down the lower left-hand corner of the menu button, until the phone boot and the lower left corner of "safe mode" after letting go, at this time, you can the mobile phone third-party software to uninstall or restore factory settings. Finally, you can restart your phone. To uninstall the application, enter: Application → set → more → application manager → download → Select an application → uninstall.

Second, better upgrade after the mobile phone to facilitate the stability of the operation. It is recommended that you upgrade in a WLAN environment: to perform FOTA upgrades on your phone, enter: Application → set → more → about equipment → system update → update.

Finally, if the Cancel button does not work after the above steps, there may be a problem with the software. In this case, it is recommended that you back up important data and initialize your phone. If you initialize your phone, all the data in your phone will be deleted, so you must back up important data on the Kies before you start the operation. However, you cannot back up your application and need to install it again.
to back up data on Kies, enter: Open kies software → use USB connection Kies software and cell phone → backup/restore → backup → check item (or check all items) → backup.

* This question takes I9200 as an example, the concrete operation takes your mobile phone actual menu as whichever.