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Author Topic: question downgrading iphone firmware  (Read 1404 times)

Adonai

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question downgrading iphone firmware
« on: April 20, 2011, 05:37:55 am »
i have 3gs na 8g. kakabili ko lang kanina. is it possible to downgrade the current firmware version (4.3.1) to 4.0.1 miski wala akong na save na SHSH blob? nung nakuha ko yung iphone 4.3.1 na siya eh kaso ayaw ko nun gusto ko sana i downgrade. thanks sa mga mag re reply!
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avfreak

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Re: question downgrading iphone firmware
« Reply #1 on: April 20, 2011, 06:15:13 am »
Kailangan po talaga ang SHSH blobs para sa downgrading process. Dun kasi ibbase ang pang clear sa restore na unique sa bawat iPhone.

Kung brand new yan, malabo na talaga ma downgrade.

Kung second hand, try mo tingnan sa Cydia kung may na save na SHSH blob kasi kung na jailbreak na dati, possible na may backup ang cydia servers ng SHSH blobs nya..

Adonai

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Re: question downgrading iphone firmware
« Reply #2 on: April 20, 2011, 06:18:27 am »
eh kung irestore ko kaya siya sa original niyang version? let's say 4.0 yung firmware niya, ma upgrade ko ba siya sa 4.0.1? kasi yun ang magandang firmware eh
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G74

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Re: question downgrading iphone firmware
« Reply #3 on: April 20, 2011, 12:23:49 pm »
Kung wala kang SHSH Blobs stored, there is no way to restore to an older firmware, unless your phone was jailbroken bago mo nabili. Did you ask them if it was jailbroken dati?

Adonai

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Re: question downgrading iphone firmware
« Reply #4 on: April 20, 2011, 04:07:35 pm »
eh kung ganito kaya gawin ko, i restore ko siya sa original firmware/pre installed firmware then i upgrade ko siya sa 4.0.1??? kaso...... wala akong simcard ng ibang carrier eh naka locked kasi to sa at&t. ang gagamitin kong software is JAILBREAKME which is kailangan maka access ka sa safari. any other way mga ka espiya?
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avfreak

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Re: question downgrading iphone firmware
« Reply #5 on: April 20, 2011, 08:52:01 pm »
Hindi ka rin makaka restore sa original firmware kung wala kang SHSH blobs. Dun kasi naka store ang activation ticket na gagamitin ng iTunes para ma verify ang restore.

Pag ginamitan mo kasi ng 4.0 firmware at nag restore, magsesend ng verification ang iTunes sa Apple server para ma approve yung restore. Eh dahil hindi na nag si-sign ng old firmware ang Apple Server (latest lang na firmware version ang na-aapprove, in this case 4.3.2), hindi gagana ang restore mo.

Kaya ka nag s-save ng SHSH blobs para instead na sa Apple Servers magpapadala ng activation request ang iTunes either sa Cydia server pupunta or sa local TSS server mo (Using Tiny Umbrella).

Adonai

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Re: question downgrading iphone firmware
« Reply #6 on: April 20, 2011, 09:15:47 pm »
Hindi ka rin makaka restore sa original firmware kung wala kang SHSH blobs. Dun kasi naka store ang activation ticket na gagamitin ng iTunes para ma verify ang restore.

Pag ginamitan mo kasi ng 4.0 firmware at nag restore, magsesend ng verification ang iTunes sa Apple server para ma approve yung restore. Eh dahil hindi na nag si-sign ng old firmware ang Apple Server (latest lang na firmware version ang na-aapprove, in this case 4.3.2), hindi gagana ang restore mo.

Kaya ka nag s-save ng SHSH blobs para instead na sa Apple Servers magpapadala ng activation request ang iTunes either sa Cydia server pupunta or sa local TSS server mo (Using Tiny Umbrella).

maraming salamat dito. pano ko ma check yung SHSH blob sa cydia server? gusto ko i downgrade eh puro negative feedbacks naririnig ko sa 4.3.2? meron ka bang alam na instruction. i know spoonfeed pero need ko lang talaga eh. ibibigay ko kasi to sa kapatid ko. thanks
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