1. Download the file
2. Rename it to "update.zip" and place it on the root of your external SDCard
3. Go into Motorola's Recovery
4. Go! Go! Go!

i did this went to recovery and im guessing i select update from sd which i choose when i did that it checked file said ok updating and i got this:
"assert failed: file_getprop("/system/build.prop". "ro.build.fingerprint") == "MOTO/XT910_RTGB/umts_spyder:2.3.6/6.5.1-167_spu-15-M2/1326788504:user/release-keys" ||
file_getprop("/system/build.prop", "ro.build.fingerprint") =="MOTO/XT910_RTB/umts_spyder:4.0.3.6.7.1_spu-ICS-DUMMY/1326788614:user/release-keys"
e:Error in /tmp/sideload/package.zip
(status 7)
installation aborted"
Luckly it didnt brok my phone.
my phone is a unmodifyed XT910 running
System verion 651.73.30.XT910.Retail.en.EU
Android verison 2.3.5
Baseband Version U_03.1C.85P
Webtop Version WT-2.0.0-113
Kernel Version 2.6.35.7-gece0826
AP flex version GAS_EMEA_USASPDRRTGB_P042
GAS_EMEA_USASPDRRTGB_A019
Build number 6.5.1-73_SPU-11-M1-2
do i have do something first so i can update to ICS?? please help














