Haier W919 (Mirror) is a new cell phone, android 4.2.1 system,
but the phone's data partition is too small, only 0.98 GB,
and the built-in storage with 5.29 GB free mobile phone,
I want to send data, can anyone tell me how to do?
I have a cell phone official ROM T card.
The official system is not perfect, can be optimized.
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