Bootloader did not respond to bootloader setup. An internal error occurred (Not allowed). An internal error occurred (Data length error). An internal error occurred (CRC error). An internal error occurred (Data size exceeds limits).
Sometimes you may need to remove the Bluetooth pairing information from your phone in order to be able to reconnect with your product. With your phone and Victron product connected to VictronConnect, go to the “Product info” page, click on “Update” and open the correct firmware file. Some users may experience an issue when attempting to update the firmware on their iPods where the firmware file cannot be found or is found to be corrupt. Have you found that it is very troublesome to restore iDevice in iTunes with IPSW files?
After the restore process is complete, the iPad will restart. You should see “Slide to set up.” Move the slider from left to right and follow the instructions in the iOS Setup Assistant. This post shares the seven methods to fix such iPhone update failures and lets you upgrade your device to the latest iOS smoothly. If you can’t turn it off, try to force restart. Since steps to ‘force restart’ varies with iPhone model. Click here to know how to force restart your iPhone model.
What should I do to repair iPad won’t restore? After getting the reasons of this error, I started to look for solutions.