PiPO M9 - Manual (Page 27)

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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 IX IX IX .Firmware .Firmware .Firmware .Firmware Upgrading Upgrading Upgrading Upgrading Procedures Procedures Procedures Procedures
9.1 9.1 9.1 9.1 warnings warnings warnings warnings before before before before upgrading upgrading upgrading 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 9.2 9.2 9.2 P P P Prepar repar repar reparations ations ations ations work work work work before before before before upgrading upgrading upgrading upgrading