ZTE Blade A612 Upgrade Guide

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第 1 页

SD Upgrade

Upgrade step:

1. Copy “update.zip” to root directory in SD card，then switch off the

handset;

Notes:

■ The user’s data in the handset will be deleted after SD upgrade, please

backup it in advance；

■ Please ensure the battery power is more over 50% during the update step.

2. Enter recovery mode by pressing Volume Up + Power key at the

same time ,and it will show the Android Robot;

then press Volume Up + Power key at the same time, and it will show

the recovery menu;

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第 2 页

3. Click Volume Down key to choose item “Apply update from SD

card”, then click Power key to confirm;

4. Select the update.zip file, then click Power key to confirm;

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第 3 页

5. Wait until update is over；

6. Choose item “reboot system now”, click Power key to confirm