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원문 게시자: nettvor23 ,

텍스트:

Format the Micro SD card (This operation is optional).

Step 2. Copy the Software: main package to a directory named dload.

HUAWEI ALE-L21SD Card Software Upgrade Guideline

2016-6-8 Huawei confidential, no

spreading without permission

Page 6, Total8

Step 3. Copy the entire dload folder (with UPDATE.APP in it) to the rootdirectory of the Micro SD card. Check the filelist is right.

Step 4. Make sure your handset is power off. Insert the Micro SD card into the handset.Press the VOLUME UPandVOLUME DOWN key, and then press the POWER key to power on the phone and enter the Software Upgrade Mode.

Step 5. When the progress bar stop, the phone will restart automatically.

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