i still using iphone 4 (16gb) > this model is oldest then 4s
may i know what is the stable firmware to install ? 6.12 ?
which firmware can be JB ?
If install IOS 7.xx will it lag and slow ?
** Try to download the IOS but how do i check MY iphone is GSM or CDMA ?
may i know what is the stable firmware to install ? 6.12 ?
which firmware can be JB ?
If install IOS 7.xx will it lag and slow ?
** Try to download the IOS but how do i check MY iphone is GSM or CDMA ?
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