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How to check if phone is rooted, and how to update to lollipop.

araxxis

Well-Known Member
Feb 17, 2014
146
8
Hi, my cousin purchased a HTC one m8 used and is using it on cricket wireless. When trying to update to lollipop it says there are no updates available. When going to HTC site it says he needs version 4xxxxx but on his phone its on kit kat 1xxxxx version. Im not sure why this is, everything works on cricket but he wants lollipop.

1. How to tell if his phone is rooted.
2. How to unroot if it is (i assume he would need to do this to get OTA update correct?)
2. How to get back to the kit kat version 4.xxxxxx so he can upgrade to lollipop.

Im pretty new to this stuff and so is he, so please any help is much appreciated.

P.S we also tried downloading the lollipop file from HTC site and running it with phone connected to HTC sync manager but kept getting errors as well.
 
Let's go through how to do this the right way.

Get the Mini-SDK, it's the sdk-tools.zip file -

http://androidforums.com/threads/adb-guide-updated-2014-11-11.443072/#post-5389081

Unzip it.

In Windows Explorer, go to the sdk-tools folder you got after unzipping - shift+right_click on the sdk-tools folder, choose to open command window here.

Power off phone. Hold volume down while powering on until the bootloader appears - if it doesn't say FASTBOOT at the top, follow the on screen instructions and get to it.

Plug in to PC, it will now say FASTBOOT USB - be sure you're there.

In the command window say -

fastboot getvar all

Command window - Alt+space gives menu, E for edit, select all, copy and paste here.

Be sure to edit out the IMEI and serial numbers for your protection.

At the end of the listing, tell me what the lines say at the top of the phone screen, above FASTBOOT USB.
 
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