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In accordance with the following configuration properties
2.
1) Click scatter-loading choice box button, choose SCATTER.TEX document in
YU220 software to load.
Attention ：firstly need to delete check sum document in software. Click
Firmware->update, Press the volume up key to insert phone USB an enter into
the FLASH semi erasure upgrade
2) Click Download，Press the volume up key to insert phone USB an enter into
the FLASH whole erasure download, download complete as follow:
2013-10-18
YU220 service manualV1.0
Huawei secrets, no dispersion without permission
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