PiPO M8HD - Manual (Page 35)

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It takes around 5 hours to charge your tablet to full battery. Please only use a
5V /2.5A adaptor included in the gift box to charge it.
IX .Firmware Upgrading Procedures
9.1 warnings before upgrading
1. Please read the below carefully when you try to upgrade your tablet.
2. Please make sure that the firmware matches your tablet.
3. Please backup your data before upgrading, the storage will be formatted
when upgrading, data will be lost and unrecoverable.
4. Please do not touch any buttons on the tablets while it is upgrading.
5. Make sure that your tablet is with enough power, you‘d better charge the
tablet before upgrading, in case of upgrading failure due to low battery.
6. Please proceed in accordant with the instructions strictly.
9.2 Preparations work before upgrading
Please download the ―upgrade tool‖ from this PIPO website,
http://www.pipo.cn/En/index.php?m=About&a=gujian_show&id=70
Please download the corresponding firmware from PIPO website,