Home for the elderly, often forget the password, use the old machine, does not have the fingerprint verification, facial brush verification and other functions.
Case: Jin phone, forget the power-on password, no root, no open USB debugging.
Solution: Shuangqing, namely to restore factory settings. ( If the phone has important files with caution ) this is my home for the elderly with, what contacts had a few, also micro-channel software with vibrato.
Step:
1. shutdown.
2. the off state, while holding down the power and volume + key, until the English interface.
3. There are three modes in the interface, selecting a first Recovery boot. Here is the VOL + key selection keys, volume - the key is the OK key.
4. Select the Recovery Mode will only enter a androidlogo, below "No command." I was stuck in this not go on, but do not panic, then press and hold the power button, and click volume + key, there will be a list of options.
5. Select wipe data / factory reset (restore factory settings), press the power button to confirm. Here volume + volume - the key is the select key, a power key is the OK key.
6. Next, the emergence of a lot of NO, a yes - delete all data in the list of options, select yes - delete all data (Yes, delete all the data), press the power button to confirm. Key Function with Step 5.
7. wait a minute, the interface will return to Step 5 with the same interface, select reboot system now (now restart the phone).
8. Then wait a few minutes, the phone will return to the initial page set.
9. The reset is complete.
