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My Samsung Galaxy Tab A (model number SM-P550 if you want to know the specs, Android version 6.0.1) will not allow me to "unhide" or "unlock" my developer options no matter how many times i tap the build number. On another note i am unable to root my device and because i do not currently own a pc and i have tried every mobile rooting technique i could find, thank you for adressing this issue. Edit - so i finnally figured it out, this device has many "accounts" and you can only access thing like the dev options on the "owner" but i was using "guest" but i still cannot root but im sure i will figure it out eventually, thank all of you for your suggestions and help!

Mikkei Combine
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    What does "will not allow me to access" mean? What did you try, and what happened? – Dan Hulme Nov 07 '17 at 13:11
  • Did you try tapping on the build number 10 times in the "About Device" section? That enables the developer options. – Wrichik Basu Nov 07 '17 at 13:24
  • What i mean by access is no matter how many times i tap the build number and no matter what else i do i cannot "unlock" or "access" the developer options. – Mikkei Combine Nov 07 '17 at 17:30
  • Look like you're running a quite old AOS version (6.0.1) from early 2016, and unfortunately Samsung are notorious for buggy firmwares. I'd recommend you to look for a different updated firmware and try that. Or if recently bought, take it back to your shop. As WillW said, all shop bought Androids should have this possibility, unless you got a stolen device that have been blocked somehow. – not2qubit Nov 08 '17 at 15:24
  • Could you [edit] your post to include all the relevant information? If people have to watch a video to understand what your problem is, they're much less likely to try to help. It also makes it less likely that your question will come up in search results. – Dan Hulme Nov 08 '17 at 19:59
  • @not2qubit no infact its roughly 6 months old so i cannot take it back to the store where i bought it, also i dont even remember where that is. But i think this firmare idea sounds pretty good but i dont know how to do that. – Mikkei Combine Nov 08 '17 at 22:47
  • @Gokul NC - im sorry i dont understand whet you mean. – Mikkei Combine Nov 11 '17 at 14:18

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Every Android should be able to get developer options. Wrichik Basu's comment says how to show developer options. However OEM Unlocking (first step to root) is disabled on basically all Samsung phones.

WillW
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Can you access recovery if yes then click apply update via adb...then do a Fastboot into a custom adb enabled recovery like twrp or cwm

$ fastboot boot /tmp/cwm.zip

Or 

$fastboot flash recover twrp.img

After booting into recovery you can have your ADB enable also then you can root your device

not2qubit
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Nishant Tiwari
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