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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 4 / iPhone 4S

iPhone 4 / iPhone 4S iPhone 4 / 4S

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Old 09-10-2010, 14:53   #1 (permalink)
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iphone 3G after downgrade can't unlock


The I phone was upgraded to 4.1 version and I downgrade it to 4.0.1 make all unlocking ultrasnow and pushfix but the iphone doesn't pick up the signal made settings reset ,reinstall ultrasnow - resul 0 all the same ,any one meet that problem? can it be unlocked? thanks
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Old 09-10-2010, 15:33   #2 (permalink)
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The answer is BIG NO CANNOT DO!! just used it as an IPOD TOUCH as of now..... CHEEERS
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Old 09-10-2010, 21:18   #3 (permalink)
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Quote:
Originally Posted by evaireland View Post
The I phone was upgraded to 4.1 version and I downgrade it to 4.0.1 make all unlocking ultrasnow and pushfix but the iphone doesn't pick up the signal made settings reset ,reinstall ultrasnow - resul 0 all the same ,any one meet that problem? can it be unlocked? thanks
I am facing the same problem as you...
This happens because of modem version allready upgraded...can't do anything now rather than wait for a solution...

PS: There is any solution to downgrade modem version (I have shsh's saved on cydia for 4.0 and 4.0.1) ??????????
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Old 09-10-2010, 22:54   #4 (permalink)
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Quote:
Originally Posted by dragosgsm View Post
I am facing the same problem as you...
This happens because of modem version allready upgraded...can't do anything now rather than wait for a solution...

PS: There is any solution to downgrade modem version (I have shsh's saved on cydia for 4.0 and 4.0.1) ??????????
shsh cant help to downgrade baseband (modem)

the only "workable" way to downgrade modem on 3G is using app like fuzzy
but only works on verrrrry old bootrom versions.

you can still desolder underfilled flash chip and flash old modem with a programer

but very easy to destroy pcb that way

BR
Max_B
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Old 09-10-2010, 23:24   #5 (permalink)
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i found the solution to unlock iphone 3g with new baseband:
""""WAIT for dev-team!!"""" hehehe!!!
chill out!!!
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