[Acer Iconia Tab A100] NoSudo:
A Work in progress.

DISCLAIMER!

This Document

ONLY

applies to Acer Iconia A100 devices. For info on upgrading from HC to ICS you can look HERE to see the method I used to upgrade from stock HC 3.2 GEN2 to ICS (Note: This was before the general ICS release. It works on OTA update also) Then follow these directions to get to CWM with Custom ROM.

I'm writing this because we STILL don't seem to have a single clear set of instructions. So here is my attempt at getting one started. Please feel free to point out errors, or help us build a set of directions. I'm not trying replace anyones documentation or take credit for anything. All the info in these directions can already be found here in various posts.

Thanks

to Vache, Civato, ZeroNull, Euclid's Brother, Ptesmoke, abliss, aznmode, eew245, crossix, Icewyng, toyface, PG101, Smokku and Everyone else for all the Work an Insight.

ROOT

To root ICS Leaks you need to use mempodroid(info & file here). Eew245 wrote up instructions (on applying mempodroid on A100 to obtain a root shell). ZeroNull also has made a basic script found here that will root the device for you if you prefer.

I use the method outlined by Eew245. You can use your own "su" and "busybox" binaries if you saved them. This method provides full permanent root.

I suggest you install superuser.apk and busybox installer after rooting. Superuser.apk will provide access control for superuser and busybox installer will allow you to update busybox. I also recomend installing terminal emulator(don't forget to configure it to use /system/xbin/sh after you install busybox).

UNLOCK

ZeroNull has made an easy to use package with instructions here If you don't have the

Android SDK installed

ZeroNulls method works fine. However if you want to use your own platform-tools you will need to modify the scripts first.(Just change the path for adb. Otherwise it will try to look for adb in the scripts working directory instead of platform-tools).

Pic of Bootloader warning about unlocking from Acer

PIC HERE

Lock Unlock Icons from same bootloader screen.

PIC HERE

Note: If you miss the window of oportunity running the script or unlock commands the first time. You DON'T need to rerun the whole script. The a200 bootloader is already installed. You just need to fastboot reboot bootloader again from your console, THEN you can use the vol keys and home to unlock the bootloader. BUT do what ever you feel safest doing and just pay attention and be careful. (Here I'm referring to the waiting too long after the script boots recovery into unlock mode. If you wait too long it times out and you can't choose unlock until you fastboot reboot bootloader again.)

RECOVERY

(make sure you have installed the a200/unlocked bootloader first. You will see a message at the top of the screen that says (UNLOCK MODE) when bootloader is showing it's message at boot.)

Here is the message I'm referring to PIC HERE

NOTE: When installing a Custom Recovery at some point you have to rename /etc/install-recovery.sh or remove it. I would recomend you rename it to install-recovery.sh.bak. You should do this before doing "adb reboot bootloader" otherwise when you try to reboot into recovery from ROM manager you will get a dead android because cwm will be overwriten with the old recovery(and you don't want that). If you DO get a dead android carefully read the directions again. Q. Why didn't I put this in a step? A. Because I dont want people to brick a device so I want to make sure they are paying attention before I tell them to rename a file that will keep the system from fixing recovery if they mess up.

Using Acer Recovery Installer 2.99 Beta(NOT MARKET VERSION)

=======================================

Download .apk enable non-market installers. Run installer, enjoy.

The Acer Recovery Installer 2.99 Beta is found HERE

Using ADB/Fastboot to flash CWM

============================

Use the steps found HERE(obviously don't re-root, unlock, just follow the other parts.

Or you can also use A100 TWRP recovery v2.1.0+ I have not tried it yet. It looks nice, has touch screen functionality, I think it uses a different backup format or something though. I'm not sure and have not had time to read up on it yet.

NOTE: Read my note above about /etc/install-recovery.sh

FLASH FROM CWM

==============

If you used ADB/Fastboot method you will need a way to reboot into CWM. ROM manager or bootloader reboot thingie will work for this.

If you installed Acer Recovery Image you can use it the app to boot into CWM.

CWM 5.5.0.4 uses the Volume Up/Down Toggle to navigate the menu and a short click of the power button to select things. Be careful about what you choose to do in CWM.

MAKE A BACKUP!!

===============

If you have just installed a custom recovery NOW would be a GOOD time to make a backup with CWM.

To Install a Custom ROM

===============

(BE CAREFUL. MAKE SURE The ROM you choose to install DOESN'T have a bootloader.blob and/or /recovery folder inside. Otherwise it could overwrite your CWM)

Just put the .zip file on an SD card and put it into the device. Use ROM Manager or Acer Recovery Installer

More to come, and I will add some pics showing what various screen look like when I'm able.