how to upgrade my iphone 3gs ios 4.0 to ios 5 higher, is it possible?

**2k1** · 12-05-2012, 03:52 AM

Sorry got stuck at work. What he said should work have any more problems ill be keeping an eye on this thread today.

**silentloud** · 12-05-2012, 08:42 AM

this worked for me just fine.

https://www.youtube.com/watch?v=EFqfWsMOofc

and my baseband version is 05.16.07

with a firmware version of 6.0.1

i dont want to downgrade.

this is enough problem for me.

and in some posts i read that i should avoid that ipad baseband thing, might cause to be bricked(?)

**Jeffwo** · 12-05-2012, 07:10 PM

Will it change my Baseband (or Bootrom)to upgrade to ios 6.0? Right now I have Baseband 5.15.04 Model #MC135LL. Old bootrom, correct? Firmware 4.2.1, Jailbreaked. I would like to be able to jailbreak and unlock this phone after I upgrade the firmware.

Will that be possible?

Thanks

.

**Jeffwo** · 12-08-2012, 02:09 PM

Anyone?

Your favorite Apple, iPhone, iPad, iOS, Jailbreak, and Cydia site.

Thread: how to upgrade my iphone 3gs ios 4.0 to ios 5 higher, is it possible?

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iPhone Modding

Sorry got stuck at work. What he said should work have any more problems ill be keeping an eye on this thread today.

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