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The Xperia Z1 Compact is Sony's premium camera phone. It is similar to the Xperia Z1 model except smaller and less expensive. Its key feature is a 20.7 megapixel sensor. Upon release the available colors were white, black, pink, and lime. This device can be identified using the model number (D5503)

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Power button not working

Hello!

Customer came in with he's Sony Xperia Z1 Compact where the power button was not working and the volume buttons was barely working. So i told him i will order the flex cable part and get it fixed.

When i opened the phone i first checked if all that was needed was just to attach the plastic bit holding the flex cable into place a litle more. But still didn't work. So i went ahead and changed the flex cable.

After the change, the button still won't work. I checked and double checked my work and all seems normall. I also tried changing the button flex cable again.

Now the phone won't turn on and the buttons are not working.

Most important is to get the phone on without losing any files.

Anyone have any ideas, suggestions or solutions? it would be most greatfull.

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@oldturkey03 Thanks for your answer.

I tried and looked at all the steps in your post and all seems well. The phone shows the Sony logo if i put in the charger but getting it to turn on as the power button won't work is not going well.

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Did you find the root cause?

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안드로이드 수리 키트

A new screen or battery is one kit away.

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A new screen or battery is one kit away.

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@captaintech I'd start off by using Sony's suggestions.

1.1 Power

1.1.1 Will not power on or will switch

off randomly

Check:

Check whether the phone vibrates by pressing the on/off key.

Action:

1. If activation of the vibrator is detected, refer to section 1.4 ‘Display’.

2. If NO activation of the Vibrator is detected, check that the battery is charging when connected to a charger and do a HW master reset.

Follow 1281-3374 Test Instruction - mechanical chapter 2.3.7 (Charging via USB and Easy Charger), Diagnostic Battery / Charging status.

Check:

Inspect the on/off key.

Action:

Refer to section 1.2.3 ‘On/Off Key’.

Check:

Inspect the BtB connector of the Battery to Main PBA.

Block Image

Action:

1. If not properly connected – disconnect and reconnect it.

2. If dirty or oxidized – clean the both sides of the BtB connector.

3. If the BtB connector, the Battery FPC or the Battery is damaged – replace the Battery.

4. Replace Main PBA.

1.2.3 On/Off Key

Check:

Inspect the external area of the On/Off Key.

Action:

If dirty – clean it.

Check:

Inspect the BtB connector of FPC Side Key to Main PBA.

Action:

1. If not properly connected – disconnect and reconnect it.

2. If dirty or oxidized – clean it.

3. If the FPC of FPC Side Key is damaged – replace the FPC Side Key

4. Replace Main PBA.

Check:

Inspect the area and position of the FPC Side Key (Power On/Off) (a) and On/Off Key (b).

Block Image

Action:

1. If dirty – clean them.

2. If the On/Off Key is damaged – replace the Frame Main Assy.

3. If the FPC of FPC Side Key is damaged – replace the FPC Side Key.

You can also check a few other things like this one

Block Image

R1304 is a 0.01 Ohm +/-1% 200.0 mW Resistor

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Open the sim card tray you'll find small red button besides tray press it using pen tip till handset vibrate. Now your phone will be turn on without losing your files.

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Thanks for your answer. We already tried that and unfortunatly it was not successful.

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