Appendix77TroubleshootingYour device freezes or encounters a fatal errorResetting the deviceIf the methods above do not solve your problem, perform a factory data reset.On the Apps screen, tap Settings → General management → Reset → Factory data reset→ RESET DEVICE → DELETE ALL. Before performing the factory data reset, remember tomake backup copies of all important data stored in the device.If you registered a Google account to the device, you must sign in to the same Googleaccount after resetting the device.Removing the battery• To remove the battery, contact an authorised service centre. To obtain batteryremoval instructions, please visit www.samsung.com/global/ecodesign_energy.• For your safety, you must not attempt to remove the battery. If the battery is notproperly removed, it may lead to damage to the battery and device, cause personalinjury, and/or result in the device being unsafe.• Samsung does not accept liability for any damage or loss (whether in contract or tort,including negligence) which may arise from failure to precisely follow these warnings andinstructions, other than death or personal injury caused by Samsung’s negligence.