A series of problems of Lenovo A820t mobile phone

According to your description? Problems of Lenovo A820T

I suggest you try the operation according to the following steps? ：

The mobile phone is fully charged. After backing up the data, in the machine? (off)? In the state of ...,

Long press? [Power button] Then what? [Volume+]? Key, 10 second

After entering recovery mode, use? [Volume+],? [Volume-]? Move the cursor? (see the picture below)

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Wipe again for 2 times.

Select erase? Data/factory? Reset? & gt？ Yes? [Home]? confirm

Select erase? Caching? Partition? & gt？ Yes? [Home]? confirm

Select restart? System? Now? & gt？ what's up ,? [Home]? confirm

Restart after this operation is completed, that is, complete.

After 2-wipes, the problem still exists. It is recommended to enter Fastboot mode and brush the official Rom repair system.

I hope this helps you? ! !