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Android Flashing Guide

1,252 bytes removed, 12:26, 22 June 2018
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This document will guide you through the necessary steps needed to install or update Android on your Gemini.
'''Please note: &nbsp;''' '''<span style="color: #ff0000;">Installing Android will delete any user data on the device. Please make sure you have a backup of any important data before starting!</span>'''
<div style="text-align: justify;">'''Important Note: <span style="color: #ff0000;">Please don’t use other tools to flash firmware fo your Gemini as it’s easy to loose key information such as the IMEI number. In particular, never use the “Format all + download“ option in the SP Flash Tool as this erases key information stored in the NVRAM partition and can lead to a non-functional device.<br data-attributes="%20/"><br data-attributes="%20/"></span>'''</div>
There are 3 steps needed to install or upgrade Android on your Gemini:
These steps are detailed in the next sections.
==<br data-attributes="%20/">Download and Install FlashTool on Windows==
The first step to install FlashTool on a Windows PC is to install the flash tool drivers. The drivers are needed for your Windows PC to communicate with your Gemini, the minimum requirement is to have a 64bit Windows operating system.
And inside the file put the following 2 lines:
<code>ATTRS{idVendor}=="0e8d", ENV{ID_MM_DEVICE_IGNORE}="1"</code><br data-attributes="%20/"><code>ATTRS{idVendor}=="6000", ENV{ID_MM_DEVICE_IGNORE}="1"<br data-attributes="%20/"></code>
After that, restart the udev:
On Ubuntu you will need to install the following dependency:
 &nbsp;<code>sudo apt-get install libjpeg62</code>
<code>xhost +local:</code>
Additionally you will have to  to&nbsp; restart the udev service by typing (or rebooting your machine):
<code>udevadm control --reload-rules &amp;& amp; udevadm trigger</code>
Finally, you will need to install the following dependency:
==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_10.45.58.png|center|800x511px|center|border]]
[[File:Screen_Shot_2018-06-21_at_10.52.02.png|center|799x526px|center|border]]
[[File:Screen_Shot_2018-06-21_at_10.51.50.png|800x527px|center|border]]   ==Flashing the Gemini with an alternative firmware==Be sure to follow the previous step to store a copy of the NVRAM partition as backup. Now, run the Flash tool software and click on the '''Download''' tab. Next, locate the '''Scatter-loading File''' option and click on the associated '''choose''' '''button''', as highlighted in the picture below: [[File:flash1.png|center|640x419px800x527px|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 the scatter file, the table should be populated as below:
==Flashing the Gemini Android firmware==
Be sure to follow the previous step to store a copy of the NVRAM partition as backup.Now click back on the '''Download''' tab.
[[File:flash2If you want to flash the complete firmware to your unit then select '''Firmware Upgrade''' from the drop down menu.png]]This will automatically select all the partitions in the table and it will restore your unit to its factory state. Please note that you will loose all your personal data/settings. 
Your screen should appear similar to the following screenshot:
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 click on the '''Download''' button[[File:Screen_Shot_2018-06-21_at_11. When switching between a standard Android to a dual boot Android/Linux firmware, you must use the '''Firmware Upgrade '''mode because you need to format the device and change the partitions01.20.png|center|800x597px|border]]
Connect your Gemini and restart it. As soon as the Gemini is rebooted, the flash tool will detect the device and it will update the OS with the selected firmware.
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.
==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]]