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Start up the device and it will run the installer. Eject the SD card and place it in your Miyoo Mini.Unzip the file, and place all of the contents into your SD card.Head over to the Onion homepage and grab the latest stable or beta release (it will be a zip file).If you have a Mac, “Erase” the disk using the Mac’s built-in Disk Utility app, with the format MS-DOS (FAT), name it whatever you want.If using Windows, use the guiformat tool to format the card to FAT32.Format your microSD card to FAT32 file system.If you run into any issues, be sure to check out Onion’s comprehensive wiki page.Įasiest method (Windows): use Onion Desktop Tools to both format the card and install OnionOS. For a full list of features, stop by their Features page. Here are the installation instructions for Onion. From there, plug a 5W USB-A to USB-C cable into the device while it is off, and it will power on and update. The video below will walk you through the process, but it’s as simple as downloading the firmware file found on the OnionOS installation guide and placing it in the root directory of your microSD card. The Miyoo Mini Plus will need to be updated to the 202305052130 (or later) firmware to take advantage of new developments for OnionOS. Update to the May 2023 firmware (Miyoo Mini Plus) If you are having issues upgrading your device, or it gets caught in a loading screen while flashing the new firmware, follow the instructions provided in this Reddit comment. Here is a fancy infographic (credit: PIXELSHIFT and TNGLIKER) that walks you through the process. Plug the SD card into your computer and delete the miyoo283_fw.img file before doing anything else.Unplug the device from the cable and remove the SD card. The device will restart and will then display a battery image and the charging screen.The Miyoo Mini will automatically power on and run the update.For best results, use a USB-A to USB-C cable, and a “smart” plug that can adjust wattage, or one of those cheap 5V/1A plugs that used to come with cell phones. Plug the Mini into a wall charger, and be sure to use use a low-wattage wall plug.Eject the SD card from your computer and plug it into the Miyoo Mini.Go to “TF card” folder and drag the three subfolders (Emu, miyoo, and RetroArch) into the root of your card, and replace any existing files when prompted (this part is optional).In the unzipped folder, go to “The firmware” > miyoo283_fw.img and drag that file into the root of your Miyoo Mini SD card.Go to the OnionOS installation guide and download the latest image update, then unzip the file.Save any important game files or your BIOS folder to your computer just in case.In the rare event that you have an older firmware version, update it using this file. Note that if you have the Miyoo Mini v4 (it will say so on the device’s back sticker), it needs to be updated to the 202310271401 firmware, which should be found on most devices anyway. it starts with 202201... instead) then follow the firmware update instructions below. To check your firmware version, go to Setting > Device Info and verify the the “Version Number” is 202204190828 or “20221216XXXX” - if so, you are good to go to the next section. In order to use the most recent versions of OnionOS, you must first update the Miyoo Mini base firmware to the April 2022 (or later) version. instal this app to fix memory card and manage files easy and quick whit best access system.Update to the April 2022 firmware (Miyoo Mini) Your sd card is not working ? with Sdcard fix repair app you can learn the best technique for repair your sd card just from your phone.Ģ The inability to write or transfer files to the SD card.Ĥ Change the overall size of the SD card suddenly.ĥ Sudden slow reading and writing while using SD card.Ħ Slow computer when SD card is plugged in.ħ The SD card does not appear when connected to the computer.Īll of these previous faults can be easily solved with this theme,Īre you have your important data on your sd card but it has some problems? you can recover your important data by this app Quickly and easily.