Root for Samsung J2 (SM-J200M) - Android Q&A, Help & Troubleshooting

Someone knows any methods to root this phone? I already tried Kingo, Genius but no success. Using Odin apparently TWRP don't work on my device. When I go into Recovery Mode, instead of appearing the Recovery Mode by TWRP appears the normal android interface.

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[Q] Phone restarts when I reboot into Recovery

I have an android phone, Qmobile A500. Which last night I tried to Root, I tried out a new software instead of Bin4ry to root my phone. MtkDroidTools was used by me. Which in turn shell rooted my cell phone; this is the term I came to know after tons of Googling, that a partial kind of root is known as Shell Root.
I can even see that in the main page of the Software too. Yellow light of it, tells me that the Phone is not fully rooted, once I click on Root button. It gives me Rooted phone, but (shell rooted).
I have tried using MobileUNCLE Tools, to update recovery. I was able to get to recovery 2 times, but had errors. Now, everytime I reboot into recovery it attempts to restart into recovery and then restarts my phone back.
I tried uninstalling the SuperSU application, but it doesn't get off of my phone.
I don't know what to do now. All I need to do is to gain root access to install CWM recovery, I do have the recovery.img file. But I am not able to update the Recovery of my phone. Or if I can reverse this process and unroot my phone and reroot it using bin4ry that would be helpfull too. Any help guys?

Lenovo A390t rooting problem, using Framaroot and Rashr, Rashr says NOT-ROOTED

Dear Gentlemen,
I have a Lenovo A390t and I want to put a custom ROM that supports english and Google Play store app.
Currently I can not access recovery mode, and I do not know why.
Current status: It is rooted but I can not access recovery mode.
I used:
1. Root - Framaroot with the Boromir exploit, worked fine initially. Then I used Rashr.
2. Install Recovery - Rashr let me install TWRP so I installed LenovoA390_recovery.img and rebooted to recovery mode using the TWRP software in english.
It worked nicely and I could boot up to recovery mode using the TWRP recovery app.
3. Install Custom ROM - Then I started installing the Lenovo A390 gadget ROM from needroms
I did not follow the instructions. I only chose the boot.img file and I started the rom flash. It was a mistake and the flash never worked.
Now I can not access recovery mode anymore, then I hold volume up and power button, all I see after a few seconds is the Lenovo logotype, and nothing else happens afterwards. When I enter Rashr again, it says the phone is NOT-ROOTED, even if I have run Framaroot several times and it says: Success!
How can I get TWRP recovery to work again?
Thank you!
Warcious
How can I check if this phone is still alive?
All I get is the LOGOTYPE as soon as I press the power button. NOTHING else.

Twrp loop after flashing

HI so I recently bought a Lenovo tab 3 essential aka Lenovo tb3 a710f and curious as I'm i wanted to root it and king root nhor kingo root worked and i didn't have a pc easily accessible so i got the fastboot for the android terminal emulator and did it that way but after flashing i restarted and it booted up the twrp recovery script and just boot loops to it i cant access recovery nhor fastboot. What did i do wrong and how can i fix this?
Thanks for your help in advance.

[Q] Can't flash or enter into custom recovery on chinese tablet

Hi, I want to install custom rom on my tablet but I can't flash or enter into any custom recovery I know.
Tablet specs:
It's a chinese BDF tablet 10''
Brand: JTY
Board: KT107_L1_20160428
Procesor: MT6580
Kernel: 3.10.72+
Android: 6.0 Marshmallow
I tried to do it using many tutorials and many ways founded on many forums, including this, without success.
During these attempts I unlocked root and bootloader, installed on my pc ADB drivers, Google USB drivers, MTK vcom drivers, PdaNet, on my device PdaNet, BusyBox, TWRP manager and ROM manager.
First I tried to install TWRP recovery using the newest recovery from their website and 3 others recoverys which I found on the internet and should be dedicated for my tablet. I installed each one of them using ADB in Command window, SP flash tool and Easy magic TWRP installer, which is dedicated for any MediaTek device, both ways: manual and automatic. Every attemp was successful but every time when I checked in TWRP manager, it said what I don't have any custom recovery installed on the device, when I tried to enter into it through the boot menu it wasn't entering into TWRP, only the chinese stock recovery.
Then I tried with Easy magic PhilZ 6 installer, but the effect was the same.
At the end I tried to install CWM using MTK Droid Tools, but this program doesn't see my device and I couldn't fix this.
Could any of you help me somehow, explain or give me a right recovery file so that it works. I really want to change my Android to a LineageOS and I'm tired of my fails. I'm working on this 5 days, accidently bricked it, stucked on bootloop and stucked on logo screen so many times that I can't even count, I'm desperate for help.
any luck yet ?
Hi !
I have the exact same issues with my Chinese BDF tablet. No matter how i try to Flash a custom bootloader to the tablet, it simply wont work... Even tho it looks like i succeed, whenever i want to boot into the custom bootloader, it always boot into the installed chinese bootloader, and the chinese bootloader wont let med flash custom firmware to the tablet. Let me know if you find a fix, and i will do the same if i succeed installing a different bootloader
I did not see this specifically in your question so as far as i understand it. You first flash the twrp.img, this is a temporary boot file. DO NOT REBOOT YET. flash Magisk.zip and twrp.zip - now reboot and you should be rooted.

Sm-t350 stuck on twrp, help!

I don't know what happened, but my Samsung Galaxy tab A always boots back into twrp when I try to boot into the main OS, I had rooted it with cf-auto root and Odin,
then I had used flashify to get twrp version 3.0.2-0, the OS version is 7.1.1 by the way.
I would prefer any methods that involve no pc, but I can still use a computer.

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