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Root If I root my Iconia, will I get AD-HOC support?

As far as I know, rooting will not do anything special for you or add much in the way of features. What it does do, is allow you to make changes, tweaks and install of software, patches etc, that will allow you all sorts of new features, options and improvements.

Search the various Android forums for "adhoc" and you should find what you need. I just found this for example which is not a100 specific but should at least give you some good info. Ignore the rooting part, that method doesn't work with the A100. If you need rooting info, I have a How-To in the AllThingsRoot subforum of this one.

http://androidforums.com/acer-iconia-tab-a500/321558-acer-a500-cant-connect-wifi.html

Specific Text in that thread that looks interesting:
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A500 needs hack to work with Adhoc WiFi on Cell phones
Acer A500 AdHoc WiFi support.
Use Gingerbreak 2.2 to root. (easy )

get adb as part of android development kit. You can use a terminal emulator on the device itself, just harder to type.
- Acer USB driver needed for adb to work
Place new wpa_supplicant in sdcard/download directory - search
"Got Ad-hoc wifi working on my Xoom! (binaries inside)" to find it.
Short usb cable needed. Long one had issues.
set debug mode to on - tablet settings->applications.
on pc - via cmd shell , change to directory where adb is located.
on pc - adb devices (confirm one is listed)
on PC - adb shell (adb remount did not work for me, or use a Terminal emulator (free) from the the market)
su ( should see # as prompt after success)
mount -o rw,remount /system
cd /system
chmod 775 bin
cd bin
cat wpa_supplicant > wpa_supplicant.old
ls ( make sure copy exists)
cat /sdcard/download/wpa_supplicant > /system/bin/wpa_supplicant
ls –a –l (make sure overwritten)
chmod 755 /system/bin/wpa_supplicant ( make it executable)
chown system.wifi /system/etc/wifi/wpa_supplicant.conf (not sure if needed)
mount -o ro,remount /system
press ctrl-c (exit adb shell)
unplug usb
reboot tablet
restart start phone – ( my Huawei 8100 needs this if its been on for a while)
on tablet go to wifi setup - (as normal)

ahhh!
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