Summary of the problem
Verizon model is protected from flashing unsigned/modified boot.img and recovery.img. Which means there is no known root method as for now for SCH-I535.
And that is where our adventure starts ....
Rooted stock boot.img issue:
<ID:0/008> Firmware update start..
<ID:0/008> NAND Write Start!!
<ID:0/008> FAIL! (Auth)
<ID:0/003> Firmware update start..
<ID:0/003> NAND Write Start!!
<ID:0/003> Complete(Write) operation failed.
+ 20% - Some devs stated that RIL is hacked and there is also sucessfull Kexec implentation in works - http://forum.xda-developers.com/show...&postcount=262 Stay tuned for more news. Kexec proof-of-concept thread: http://forum.xda-developers.com/show....php?t=1760678
+ 20% - phone can boot from unsigned boot.img flashed to recovery partition, this will leave you without recovery and requires to boot-trough-recovery every time u rebooting phone! (thanx invisiblek)
Links: http://forum.xda-developers.com/show...9&postcount=47 , http://pastebin.com/eARk7r48
+ 10% - phone rooted trough system.img tricks -> http://forum.xda-developers.com/show....php?t=1756885 (by invisiblek)
boot.img -> signed
recovery.img -> signed
system.img -> not signed
cache.img -> not signed
News about locked Verizon model is spreading over the websites and main tech-related portals. Hopefully we will get some detailed info soon.
It looks like it has been rooted by using system.img trick (system.img is not signed)
Enjoy! and thanx to invisiblek good job!
Update [07/15/2012] VZN insider confirmed this is not a true info
One of thread members chatted with verizon reps over mail & chat and got info that there may be possible unlocker released for bootloader at vzn locked phones. Here's the screenshots of chat: http://i.imgur.com/0lX3o.png , http://i.imgur.com/ULA4X.png
At this is not confirmed yet officialy, it may be interesting finding.
Adam Outler posted he's own research info in separated thread, read it. It may help a bit -> http://forum.xda-developers.com/show....php?t=1769411
Galaxy S III Verizon Developer edition shows up on Samsung Website! -> http://www.samsung.com/us/mobile/cel...SCH-I535MBCVZW