[Q] Need help unlocking/patching Bootloader

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Hi! im a new owner of Acer A500 8gb. I want to unlock the bootloader but im not REALLY SURE it is okay for me to follow this guide to unlock my bootloader. My Acer A500 is already rooted and my bootloader is 0.03.12-ICS as shown in Acer Recovery Installer. Btw, the search bar just disappeared so I cant search for tutorials on unlocking/patching bootloader.

Not sure I suppose to follow that guide http://forum.xda-developers.com/show....php?t=1622425
or
http://forum.xda-developers.com/show....php?t=1619913

thank you for taking my time!

You can follow http://forum.xda-developers.com/show....php?t=1622425 and use Blackthunder's tool if its ok with you. Or I can tell you one more method:

1. Download After OTA from forum section. Search for it you will find a .zip file of about 103 mb.
2. Download and install the Acer a500 drivers.
3. Attach your tablet to the computer.
4. Unzip After OTA and run it.
5. From standard tab select your desired Bootloader and recovery, you can select any except HC Bootloader for running ICS. Remember to select A50X.
6. Remember if you are having ICS rom its OK, but if you do not have ICS Rom than keep one in your sd card to flash after installing the Bootloader.
7. You might also brick up your tab if anything went wrong so be carefull.

"Thanks to the original developers for the After OTA tool and Guides available."

okay, i already download OTA TOOLS. On standard tab which bootloader and recovery should I pick?

ahhh cant patch/unlock the bootloader. Is just me or Acer double lockdown the bootloader? I did A500APXFLASH.exe, didn't work, the progress bar wont move on flashing bootloader. I also did AfterOTA.exe but nope didn't work. It just hang on [3/5] flashing bootloader. Im getting stumped now

Ok, if you are stuck and are unable to run any rom first of all reinstall your boot loader using update.zip file from http://forum.xda-developers.com/show....php?t=1113878

Remember select bootloader which you were having previously, i.e. if you were having 3.2 honeycomb than select any one from the lists of 3.2 updates.

Now you can use after OTA, remember your Tab should be running safely for After OTA to work.

My Acer A500 is running fine. It just I cant flash this bootloader. But i will follow this guide to reinstall the bootloader. thanks!

I just added this post, maybe it'll help you too!

http://forum.xda-developers.com/show....php?t=1760509