downgrade

If I restore to a custom iPhone iOS 4 Firmware I get error 1600 If I restore to 3.1.2 or 3.1.3 it won't allow it because it says it isn't eligible for it. What do I do?! Please help! Thanks

I recently upgraded to iOS4, is there a way to downgrade it back down to 3.1 so i can jail break?

I think the iOs 4 update has made my iPhone 3G run slowly (I'm guessing that's the reason it's got so slow this week ) - how do i change back?

I recently upgraded my iPhone 3G to the Gold Master of iOS 4.0. It seems to run really slowly on my device and, as advertised, not all the features work on the 3G. I've seen several methods online to downgrade my OS, but I'm wondering what the state of my phone will be after I downgrade. Im...

I have a iPhone 3G with At&t and want to downgrade to a regular phone with At&t because my current service bill is just way to much money for me. I want to know if i get a new pphone with at&t with a new cheaper service fee's would they make me do the $175 termination fee???

Last year I wrecked my t-mobile W490, and instead of paying $25 to get it replaced I sold my itouch, and got an unlocked iphone from craigslist. Now I feel like downgrading because people have told me they were texting/calling me trying to get a hold of me but I didn't get anything from them so...

the latest boot & no cydia backup? I would like to either unlock it for use with t-mobile or jailbreak it so it is at least usable or even downgrade it so it can be unlocked. I have had little luck searching on the internet. This is an iPhone 3GS running apples 3.1.3 software, it has the latest...

the latest boot & no cydia backup? I would like to either unlock it for use with t-mobile or jailbreak it so it is at least usable or even downgrade it so it can be unlocked. I have had little luck searching on the internet. This is an iPhone 3GS running apples 3.1.3 software, it has the latest...

Okay so I just signed up for DIRECTV and I am currently paying $57 a month for 12 months (because of the special 29$ rebate a month for the year). I want to downgrade my Choice Xtra to Choice package for $5 less and get rid of my DVR service ($7). I also have an extra HD Receiver for $5...

downgrade firmware of nokia e65

...T-mobile? PLEASE HELP!? He is using it with AT&T not T-mobile!! Please help me!! I accindently locked my Fathers phone or upgraded it.=/

I need to downgrade form MS office 2007 to 2003 due to some compatibility issue. Is it possible and perfectly safe?

I have an iPhone 3G, firmware 3.0(7A341), modem firmware 04.26.08. but since 3.0 is extremely slow so i want to downgrade it to 2.2.1 but I'm not very sure of how to go about it. help pls.

is it safe? will there be any chances of bricking my phone? i am already downloading he firmwares. i have a v20 but i wanna downgrade cuz i cant hack it.

I would like to know if it's still possible to downgrade my PSP3000 were my daughter has updated to official firmware 6.1 from Sony website. Thank you

hi guys i want downgrade my psp from 6.10 to 5.00 pls tell me how can ii do this i have no Pandora battery pls help me

Divx movies used to work on my laptop without a hitch. Then I downloaded the latest version of divx when it prompted me to. The upgrade apparently consumes a lot more memory than the previous version, because now my computer chugs like an elephant in molasses, and videos can't play for three...

Divx movies used to work on my laptop without a hitch. Then I downloaded the latest version of divx when it prompted me to. The upgrade apparently consumes a lot more memory than the previous version, because now my computer chugs like an elephant in molasses, and videos can't play for three...

It wont cost you anything as long as you dont have a cntracted data plan. You can use any t-mobile phone, you can evan get a prepaid phone from Target or evan wal*mart . As long as you put your T-Mobile sim card on the new phone you will be fine.

my phone just broke, and i was wondering how i can downgrade my phone to my old t-mobile phone, and how much will it cost?