- You should also inspect the logic board port that the volume flex cable plugs into with magnification, it's easily damaged by unplugging the flex because of the factory tape, luckily if it is damaged that is a small, separate, replaceable part of the logic board on the ipad 2.
- Start by making sure all 3 flex cables that are on the screen are plugged into the logic board correctly, then try a hard reset.
- You would need a bench tester, or install it to test it, you might try repair shops in your area and see if any of them have a tester.
- There are some iphone 4s screens that require an IC chip on the LCD cable in order to work, these are very rare to find but exist, my guess is you are 1 of the lucky few with that model
- That looks like a (hold down) strap that gets screwed to the logic board on top of the battery connection or near it and is there to help keep the battery plugged in,, your phone will work without it but is a good idea to have it in place.
- Here is a good place to get a screen but you may want to wait for the price to drop, https://gounlock.com/details.php?itemId=...
- I would guess you only needed to hard reset your ipad after replacing your screens to make it light up, now you will need to restore it if you are correct in saying that it is in dfu mode, if after a restore it is still black try a hard reset, if that doesnt fix it then either the new lcd is bad or while you were replacing the lcd the ipad was turned on and you shorted something out on the logic board and would require a soldering fix and would be tough for you to fix even if you can find the replacement part.
- You need to replace your dock connector, it has a new the mic included,, people can hear you when you switch to loudspeaker because in that mode the phone uses a different mic thats on the top of the phone, it's an easy fix, the parts are available on here and so is a guide, good luck
- I change hundreds of screens a week, this same thing happens to me but when I try making a call it works and says (searching) at the same time, try calling if you have not done so already, if its really not working do this,turn on your airplane mode for 10 seconds, then back on and power down the phone, not a hard reset, then power it back up, if that doesnt fix it go to settings, general, scroll to the bottom and touch reset, then reset network settings and go through with it, if that doesnt fix it and you are running with AT&T or T-Mobile then you should try a new sim, still not working then remove the logic board and scrub your sim reader with a toothbrush soaked with 90 percent alcohol, if still not working it's probably not fixable, good luck
- Sorry but that is a very skilled solder job, I would say you should go no farther in trying to fix your phone, try to get your money refunded.
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