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ZTE BLADE A506(Open Market) Upgrade Guide

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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 till the following picture shows;
3. Click Volume Down key to choose item “apply update from sdcard”,
then click Power key to confirm;
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<以上所有信息均为中兴通讯股份有限公司所有，不得外传>
All Rights reserved, No Spreading abroad without Permission of ZTE
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4. Select the update.zip file, then click Power key to confirm;
5. Wait until update is over；
6. Choose item “reboot system now”, click Power key to confirm.
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