Firmware Flashing Guide For Android - manster-zz/R36S-LINKS GitHub Wiki
Note
This guide is for flashing various Linux CFW distributions using an android device instead of needing a pc.
Tested on Huawei P30 Pro
| Good SD card | ![]() |
| SD card reader | ![]() |
| USB-A to USB-C OTG adapter | ![]() |

There are a lot of different apps for downloading, unzipping and the flashing process. Here's what I have used:
| Browser |
Firefox
|
| Zipping Tool |
RAR
|
| Flashing Tool |
EtchDroid
|

📄rk3326-r35s-linux.dtb in the 📁BOOT partition is the most important file. Below is shown this process with the Huawei Filemanager.
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Go to the Custom Firmware section on the wiki and download the latest image. The Panel 4 (V5) image is recommended (as of August 2024).
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Open RAR and follow the steps below.
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Open EtchDroid and follow the steps below.
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Insert the SD card in the TF1 slot of the R36S and boot up the device. Rom folders and other stuff will now be generated. This process takes about 5 minutes (wait till the EmulationStation menu is loaded). Now the SD card is ready and you can add your roms.

Have fun playing!

Replace the 📄rk3326-r35s-linux.dtb file on the new card with the one you made a backup of in step 1.
Refer to the Help section on the wiki.

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