==Download Android Gemini Firmware==
Now that the Flash Tool FlashTool application is running, it is time to download the Gemini Android Firmware from this the [[Gemini Firmware|Gemini Firmware page]].
After downloading the firmware, unzip it to reveal the folder containing the firmware folder, for example '''Gemini_WIFI_MP_09052018''' or '''Gemini_x27_FOTA3_12062018'''.
==Configuring FlashTool==
[[File:Screen_Shot_2018-06-21_at_11.01.20.png|center|800x597px|border]]
Now, open the firmware folder from the firmware zip file you downloaded and select the scatter file. If you selected an Android firmware, then the scatter file will be called''' Gemini_Android.txt'''. If you selected an Android/Linux firmware, then the scatter file name will depend on the space you reserved for them, for example''' Gemini_x27_A26GB_L30GB_Multi_Boot.txt'''. Once you select To start the scatter fileflashing process, the table should be populated as below: [[File:flash2.png]] Make sure all the partitions are found and are checked. If some partitions are not found (location tab is empty), double checked that you unzipped the Linux module in the firmware folder. Finally, change the '''Download Only''' drop down menu to '''Firmware Upgrade''' and just click on the big '''Download''' button. When switching between a standard Android to a dual boot Android/Linux firmware, you must use the '''Firmware Upgrade '''mode because you need connect your Gemini to format the device and change the partitions. Connect your Gemini PC and restart it. As soon as the Gemini is rebooted. Once booting, the flash tool will detect the device unit and it will update start flashing the OS device with the selected firmware.
==Manually Update Android firmware==Planet Computers provides over-If instead you want to manually update your Gemini without loosing your data, you should select the '''Download Only '''option from the-air update for standard Android installationsdrop down menu. For custom installationAfter that, make sure you will need to manually update select all the partition with the exception of the Android firmware'''userdata''' partition, which contains your data.Your screen should look like this:
To update the Android firmware, simply download the latest Android firmware from [http[File://supportScreen_Shot_2018-06-21_at_11.planetcom12.co29.uk/index.php/Gemini_Firmware http://support.planetcom.co.uk/index.php/Gemini_Firmwarepng|center|800x597px|border]] and use the '''Download Only''' option while selecting only the system partition, as in the screenshot below
[[File:Screen_Shot_2018-06-20_at_15.57.55.png|center|640x421px|border]]
To start the flashing process, just click the big '''Download''' button, connect your Gemini to your PC and restart the Gemini. Once booting, the flash tool will detect the unit and will start flashing the device with the selected firmware.
==Linux dual boot notes==The dual boot mechanism works as followfollowing screenshot shows a successfully completed flashing process:
* '''Dual boot Android[[File:Screen_Shot_2018-Linux firmware'''** Press Esc (On) for around one second to turn ON the unit and boot into Android. You should release the Esc (On) button before the screen turns ON, otherwise the unit will boot into recovery mode (see below).** Press Esc (On) for around one second to turn ON the unit and at the same time press and hold the side button until the screen turns ON to boot into Linux. You should release the Esc (On) button before the screen turns ON, but you must keep the side button pressed until you see the turning ON. When the screen turns ON you can release the side button, and the unit will boot into Linux06-21_at_11.** Press Esc (On) and keep pressing the button until the screen turns ON to boot in recovery mode17. At this stage the recovery mode is disabled and you will see a droid image with a red triangle and a "No command" text44.png|center|800x595px|border]]
