Qeedji AMP300, Руководство пользователя

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2.2 Factory recovery
The factory recovery consists in recovering the OS and data like it was at the factory. Consequently, the different APK installed by the user and the
AMP300 device configuration data will be lost. So, it is highly recommended to save all the required settings to be able to reconfigure your AMP300
device afterwards.
Before proceeding to the recovery, if it is still possible, save the safe partition: user data and APK.
Micro SD card removal
Procedure:
Unplug the USB-C power supply.
With a little pen, push on the micro SD card and let the spring eject it from the
micro SD
connector.
Micro SD card burning
Download the
aosp-amp300-setup-xx.yy.zz.iso
file for the factory recovery from the Qeedji Website (~ 16 GB).
☛ The download time will depending on the network connection quality.
Insert the
micro SD card
in a plastic SD card adapter (31 x 24 x 2.1 mm) and insert it in the approriate SD card slot, supported by any recent computer.
☛ In case Windows is showing a message inviting to format the SD card, choose
No
.
The ISO version suitable for your device, for example
aosp-amp300-setup-xx.yy.zz.iso
, can be burnt on your
micro SD card
by any ISO image burning
software.
☛ However
Qeedji
recommends to use the
BalenaEtcher
software (version V1.5.102, for example). For further information about the procedure
with
BalenaEtcher
software, refer to the chapter § ISO image burning with BalenaEtcher .
Micro SD card installation
Once the micro SD card content has been updated:
remove the SD card adapter from your computer,
remove the
micro SD card
from the SD card adapter,
insert back the
micro SD card
inside the micro SD connector of the AMP300 device, in the right sense, and push it until hearing a clic. For further
installation, refer to the chapter § Connectors pin-out .