How to Solve if Unc0ver Popping out RootFS already mounted error when Jailbreaking?
Before using unc0ver to jailbreak, you must first delete the downloaded OTA firmware package on the iPhone. If you do not delete it, it will cause repeated error prompts during the jailbreak. If you have removed the firmware package, the unc0ver tool still pops up the "RootFS already mounted, delete OTA file from Settings - Storage if present and reboot." prompt, follow the steps can solve the problem.
Open unc0ver and click the Settings button in the upper right corner to enter the settings and close the "Disable Updates, Restore RootFS" option.
Pull down to the bottom, click on “Clean Diagnostics Data” and select “OK”. If unc0ver exits automatically after the operation is completed, manually re-open it.
Return to the unc0ver homepage and click on "Jailbreak" to continue the jailbreak. After the jailbreak is completed, reopen "Disable Updates" in the settings.
If the "RootFS already mounted error" message still existed follow above steps, you can delete the mask update description file, and then open "Settings - General - Software Update", click Update to download only the firmware package, and do not click Install Update.
Then manually delete the firmware package you just downloaded, reinstall the description file and the unc0ver tool, and then restart the jailbreak after starting the flight mode.
- iOS 10.3.3 H3lix & G0blin Compatible Tweaks doubleH3lix for iOS 10 - 10.3.3 64-bit Jailbreak with Cydia How to Install AFC2 for iOS 11-11.3.1 to Access Jailbreak File System? How to Jailbreak 32-Bit iOS 10.X Using 3uTools? Ext3nder Installer: Re-Sign IPAs Without PC on iOS 11 Electra Jailbreak Liberty Lite: Hide Jailbreak Status on iOS 11 with Electra Jailbreak How to Jailbreak iOS 11.0 – iOS 11.4.1 Using 3uTools? Semi-untethered iOS 9.3.5 Jailbreak on 3uTools