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Comment by ttol | Hacker News Reader

wait, what? genius bar can fix it with a patch? did they install the patch for you and did that fix the issue for you? do you now have an iphone that has proximity sensor fixed? when they returned the phone, were all your apps/settings intact or was it fresh? what does your about screen say for version numbers?

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That's what I was told, but to be honest, I doubt anything was installed.

All my apps/ settings were intact and my version number is the same as the regular shipped build.

I was told to restore my iPhone fresh (which would delete the installed patch, no?) and not to restore from back-up, which is possibly the fix itself. I'm going to do it now and will report back on the results... did you upgrade from a previous iPhone and restored from a previous back-up?

yes i did, as soon as i got back with the replacement i restored from previous (original) iphone 4 backup made earlier that day. however the first iphone 4 i got, i didn't do a restore. proximity sensor issue was there too (which prompted the need for an exchange).

Initially, problem appears to be fixed. I can hold the phone around an inch away from my face, at varying angles, while the screen remains disabled. Before, any cradling of my phone / shoulder would make the screen active, but now it remains disabled.

Just tested against a co-workers by placing on a flat table and moving fingers to cover up the sensor... mine seems to work consistently within about an inch of cover-up, his is hit-or-miss even while physically covering / pressing on the sensor.

nice. what steps did you take? did you do a reset and delete all settings on the device? when you say "restore from original instead of from backup", what do you mean by "original"? do you do both steps (reset on device, then some restore from itunes?)

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