Need help to restore 3gs on 4.1 from 4.2.1

[mirecle]

Need help to downgrade iphone 3gs i.e. tethered from 4.2.1 to 4.1.

The phone is jailbroken and unlocked.

Need step by step procedure.

Please help for this

[blackheart8]

Originally Posted by mirecle

Need help to downgrade iphone 3gs i.e. tethered from 4.2.1 to 4.1.

The phone is jailbroken and unlocked.

Need step by step procedure.

Please help for this

bro, you need to have you 4.1 shsh backup from cydia or tinyumbrella to be able to downgrade.

1) download tinyumbrella. google is your friend. also download the stock 4.1 fimrware.
2) run it then click save shsh
3) if you manage to save 4.1 shsh, then disconnect you iphone then put reconnect again. click enter recovery mode.
4) click start tss server.
5. open itunes then hold shift on keyboard then click restore, pick the 4.1 firmware.
6) wait and it will be back to 4.1 but you have to use redsnow to jailbreak and ultrasnow to unlock it.

[mirecle]

[QUOTE=blackheart8;6785234]bro, you need to have you 4.1 shsh backup from cydia or tinyumbrella to be able to downgrade.

already have shsh backup, but the modem firmware has been upgraded to 6.15, JB and unlocked, but has to use redsnow "just boot tethered right now" whenever i switch off the phone, will downgrade will solve the problem and is it ok to downgrade still.

[kammy6000]

bad idea to use ipad boot

you cant go back will stay tethered until solution invented

[MaxPayne]

Originally Posted by kammy6000

bad idea to use ipad boot

you cant go back will stay tethered until solution invented

may I downgrade 4.2.1, modem 5.14.04, to lower, without shsh,new boot