Once downloaded the Windows flash tool, please unzip it to reveal the '''FlashToolWindows''' folder. Next, run the flash tool by double clicking on '''flash_tool''' (flash_tool.exe) file in the '''FlashToolWindows''' folder.
You can now skip the next part regarding Linux and move on to the '''Configuring Flash Tool''' section.
You will also need a firmware to flash, either Linux or Android. You can find the available Gemini firmware here: [[Gemini Firmware]]
'''Building the flash tool from source'''
'''Building from source''' You can also build the flash tool by yourself. You will find , the source code The tool is built using Debian 9.0 You will need a 64 bit Linux machine and you might need root access to run it. The executable file is flash_tool.sh. <span style="caret-color: #2b2e2f; color: #2b2e2f; font-family: 'Lucida Sans Unicode', 'Lucida Grande', Tahoma, Verdana, sans-serif; font-sizehosted on github: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;">If you get a BROM error when connecting the Gemini (see flash_tool console log) then you should follow this guide </span>[https://forum.xda-developers.com/general/rooting-roms/tutorial-how-to-setup-spflashtoollinux-t3160802/page16 https://forum.xda-developersgithub.com/general/rooting-romsdguidipc/tutorial-how-toSP-setupFlash-spflashtoollinuxTool-t3160802/page16src Flash Tool Source]<span style="caret-color: #2b2e2f; color: #2b2e2f; font-family: 'Lucida Sans Unicode', 'Lucida Grande', Tahoma, Verdana, sans-serif; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;"> - specifically the 2 points regarding udev rules.</span>
You will also need a firmware to flash, either Linux or Android. You can find the available Gemini firmware here: [[Gemini Firmware]]
== ==
==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:
