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iPhone 5s 16GB won't update/restoreSo i was given an ipgone 5s. it was booting to the point of setup but after setup wouldnt recognise my sim card - always...
Rispondi a ""No Service" even without a SIM"I had this problem with a 3g. I installed a really old firmware as the new firmware "upgraded" the baseband. this caused problems with the baseband/connectivity for some reason. I then installed the latest firmware whilst maintaining the older baseband. though, as i said this was with a 3G and not a 3Gs.
Rispondi a "video graphics and boot issues"I've done GPU reballing ith a hot air gun on G3 laptops. I bought a replacement G5 as my regular G5 died from faulty ram sockets. the new G5 had garbled graphics. slightly usable but garbled. Yesterday I decided to reflow it. followed all the fregac steps as above and as I have previously done with laptops (fixed 5 in the past). waited an hour then added thermal silverpaste. red LED came up!!! added more thermal paste, again 4th red LED. this morning I tried pmu reset and change battery and still red LED. I took the heatsink off and the little bit of plasticy stuff that goes betweeen the heatsink and the gpu and I flipped it over. replaced heatsink, and a touch more thermal paste and fired up the machine and it booted to GRAPHICAL PERFECTION!!!! very stoked with the outcome.