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Repair information and guides for the Apple iPhone 5s that was announced on September 10, 2013. Model: A1533, A1453, A1457, A1528, A1530, A1518

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Touch ID much less responsive after battery replacment

I replaced the battery on my iPhone 5s via the ifixit instructions. I was able to get the phone open a crack, then used the spudger to open the rest, so I'm pretty certain I didn't over extend the touch id sensor cable.

After battery placement and putting the phone back together, I noticed that the touch ID sensor was much less responsive. It seems like it's only picking up the fingerprint less than half the time. I opened the phone up to make sure the cable was attached securely, but that didn't fix the problem. Any suggestions? (or bad news to share?)

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-A- Rule out the simple things first:

1/ Charge your new battery beyond 50%;

2/ Gently clean the Home Button flex cable connector (on the cable and the board) using a cotton swab and 90%+ isopropyl alcohol;

3-a/ Power cycle your phone = disconnect the battery, press on Power Button for 15 seconds, reconnect your battery.

AND/OR (since you already replaced your battery = power cycled your device):

3-b/ Reboot your iPhone by pressing & holding Home + Power Button for ~10 seconds. If the iPhone has not restarted then, press once on Power Button to restart it;

4/ Adjust your time settings by connecting to Wi-Fi or iTunes and make sure the time and date are correct;

5/ Try your home button again.

-B- If the above do not fix it, you may have damaged something around the battery connector or along the board on the battery side during the initial repair. Think back: did you lever anything AGAINST the board to lift the battery? Did you pry between the battery and the board?

6/ Use a magnifying glass to examine the logic board, specially around (and east) of the battery connector. Look for anything broken, missing, or part removed from the board. Let us know what you see. Note that you may need 20x or more magnification to be able to see some of the potential damage. Also examine the home button flex cable itself.

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1 Comment:

Thank you iFixit TEAM!!! my touch ID back to work with this option:

3-a/ Power cycle your phone = disconnect the battery, press on Power Button for 15 seconds, reconnect your battery.

In case, I reconnect my old battery, and see that was working again. So I turn off my phone again and reconnect my new battery, and it works!!!

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Jimmy will be eternally grateful.
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