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How can I fix problems caused by rooting with TWRP and SuperSU?

Discussion in 'Android Devices' started by AdrianShepherd, Feb 14, 2019.

  1. AdrianShepherd

    Thread Starter

    I'm having some problems with my Samsung A3 2016 (A310F), on Android 7.0.

    I rooted the device using Odin3 v3.12.3 and flashed TWRP 3.0.2.1 SMA310, and then installed SuperSU v2.76 using the TWRP that had been installed.

    Unfortunately, whilst the phone did get rooted, there are a number of problems:

    • The wifi button is stuck and greyed out in the "off" position.
    • The camera doesn't start.
    • SD Card storage is not showing.
    • When connecting the phone to my PC via USB it doesn't open Explorer like it did before rooting (I can see it in Device Manager, but it is impossible to access the phone).
    • The phone can no longer access the Internet using mobile data either. I am on Vodafone in the UK.

    I have tried to clear the Cache and Dalvik Cache via TWRP, and reset network settings, neither of which has worked.

    My research has suggested that perhaps SuperSU v2.76 is the problem, and that I would need to use SuperSU v2.82. However, I cannot find any way to get SuperSU v2.82 onto the device.

    I suspect I need to start from scratch somehow, but I'm very new to Androids and rooting and I'm not sure what to do.

    Can anyone please give me some advice?
     


    Susan Coderes likes this.

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  2. Jfalls63

    Jfalls63 Android Expert

  3. bcrichster

    bcrichster ROMinator
    Moderator

    I do happen to have SuperSu v2.82 on hand if you'd like to try after following @Jfalls63 's advice.. But honestly, SuperSU was having compatibility issues beginning with Nougat 7.0 and eventually was discontinued. Your problems may be related. Last I had used v2.76 was like MM 6.0.. Lol The newest SU installation is called 'Magisk' and they are actively Developing on that everyday, even has Pie 9.0 compatibility last I knew
     
  4. GameTheory

    GameTheory Android Expert

  5. AdrianShepherd

    Thread Starter

    Thank you for the suggestions and the guidance.

    The main problem was getting SuperSU v2.82 or Magisk onto the device, as my PC wouldn't recognise it when connected via USB, nor could I access the internet from the phone in any way (wifi and mobile data were not functioning), and the SD Card was not picked up by my phone.

    Fortunately, before I had rooted the phone, I had followed advice read elsewhere about having the stock Samsung firmware on hand in case of problems, which I had already downloaded from Updato.

    I unrooted my phone with the option in SuperSU, and with @Jfalls63's encouragement, I decided to flash the stock firmware back using Odin, something I was worried about doing in case I ruined it further.

    Thankfully, everything worked perfectly after doing this. No files or apps were lost, and I could connect to my PC via USB. This gave me the chance to start from scratch.

    @bcrichster made me reconsider going the SuperSU route, so I did some further research into Magisk and how to root using it, which took a while because a particularly engrossing episode of Deep Space Nine was on at the same time.

    Turned out I simply needed to place the latest Magisk zip file onto my phone via the USB connection, just like I did with SuperSU, and flash the device with TWRP same as before, then install Magisk from the TWRP Recovery menu. After that it was recommended to install Magisk Manager, which I did.

    This process successfully rooted my phone and all functions are working correctly.

    Many thanks to @Jfalls63, @bcrichster and @GameTheory, for helping me solve my problem and even linking me to relevant sites, I wasn't getting any response elsewhere!
     
    bcrichster, Jfalls63 and GameTheory like this.
  6. bcrichster

    bcrichster ROMinator
    Moderator

    We're always glad to help out over here! ;)

    ** SOLVED **
     
    AdrianShepherd and Jfalls63 like this.
  7. Jfalls63

    Jfalls63 Android Expert

    Glad you got it straightened out. The unexpected happens to everyone at some point.
    Knowing how to return to stock when that happens can save a lot of heart ache. Good job!
     
    bcrichster and AdrianShepherd like this.

Samsung Galaxy A3 Forum

The Samsung Galaxy A3 release date was December 2014. Features and Specs include a 4.5" inch screen, 8MP camera, 1/1GB RAM, Snapdragon 410 processor, and 1900mAh battery.

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