Download latest Android Nougat 7.1 for Probox2 Air Plus TV Box from here, here or here. Download latest Android Marshmallow 6.0.1 for Probox2 Air Plus TV Box from here. Download previous firmware from here.
Archive name: PROBOX2-Air-Plus-Android7-2018-04-04_sd_card
Archive file size: 677 MB
Platform: AMLogic S912
Build number: PROBOX2/q201/q201:7.1.2/NHG47L/20180404:user/test-keys
Release date: 04-APR-2018
Inside archive: firmware + recovery.img + factory_update_param.aml
List of bugs fixed / changes:
The first release version of Android 7.1.
How to unroot?
1. Please go to: Settings -> More Settings -> About MediaBox
2. Press “Build number” 6 times to enable developer mode.
3. Return to previous page, go to “Developer options”
4. Go to “Root permission” and then you can disable it to unroot it!
5. Press ok to reboot and the device will be unrooted.
Cautions: It will erase all your data / installed apps. We strongly recommend you to do the backup before doing this update!
BTW, you can try update the firmware also by OTA.
Notice: After OTA update, all the changes will be effective after factory reset* as below.
*Factory reset method:
Go to “Settings” -> “More Settings” -> Backup & reset” ->”Factory data reset” -> “RESET MBX” -> “ERASE EVERYTHING”, it takes several minutes to do the factory reset, please do NOT turn off the power during factory reset process. And then it complete the whole firmware upgrade process!
Caution Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.