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| Doc. No. | REV. | |
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| Issued Date | 2008/8/21 | A01 | |
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| Revised Date | 2008/11/6 | ||
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Doc. Title | Blackstone Service Manual | Page | 47 of 96 | |
SD Upgrade - 1
5.Turn the device power off and insert micro SD card.
6.Press and hold Volume down + Power button and then release the power button first to enter Boot loader mode.
7.Press Power button to start upgrade procedure.
SD Upgrade - 2
8. Reading source code from micro SD card.
[Note]: Please don’t power off the device during this process.
SD Upgrade - 3
9.After finish, press Reset button to reboot.
HTC CONFIDENTIAL
