Doogee has many kinds of series such as S series aimed at rugged phones which are quite popular among today’s market. Doogee S90 Pro as one of the bestsellers has used Helio P70 Octa core processor, RAM 6GB ROM 128GB internal storage, IP68/IP69K three-proof function, built in 5,500mAh, etc. Even until now a lot of buyers are interested in it, for some users, if you want to know how to update doogee S90 Pro night vision sofware firmware, just check below official solution.
1. First install the app for upgrading firmware.(APK download link https://mega.nz/#!mPZiUAqb password：JkysgfBTMrIiDy84gEHoXGMjjZohP3RR9IGrtCdr2UM)
2.Add the Fwungraddemo folder (File download location: https://mega.nz/#F!KS5lhQoY, password: pzTm5xVyVaK6Ljrglnf6KQ) to the phone’s home directory.
3.After connecting the night vision module, open the App and click on the firmware to start the upgrade.
4. Wait for the APP to show that the upgrade is complete.
5. After the upgrade is complete, reconnect the night vision module then can use normally.
If you can’t open the link, please copy it into your browser open and watch it ：
Source: Doogee official community