I am requiring some expert advice on this problem, I was given an XZ from my friend with a cracked screen and charging problem, the charging port became temperamental and failing (at least I think it was that) and eventually wouldn't charge at all. The charging port was handled a bit harshly toward the end, for example the charging cable lifted up and down to try to get a charging response.

Anyway I ordered a screen/digitizer and charging port flex for it, and fitted them, following a guide. Before this, the phone had around 2% charge. After the repair, I switched it back on and conncted the charger, the screen was fine, however there was no response from the charger. The phone then ran flat and eventually ran flat enough to not be able to show the "low charge" symbol when the phone is off. Then after plugging and unplugging the cable (via USB in the pc) it would charge for what seemed a second then stop, the red charging notification light was lighting up. The same happened with a wall charger. I then stripped it back down and back together again. This time there was no response if I remember right, then I connected it to the wall charger and left it for 3 hours or so. I went back to it and it had charged up to 15%.

Now i'm at the point where the phone is working, it's on 90% now, but it charges very slowly, around 60-350 mA per hour on Ampere app. So a full charge is around 12+ hours. This is in the wall socket with a fast charger. Additionally, it takes 10 seconds for the phone to recognise the charger after is is plugged in and that is consistent each time I plug it in. The phone now isn't recognised by my PC via USB, and also won't charge that way also, it just doesn't do anything if I plug it in there. Other than that, the phone works and it holds its charge well.

Any ideas? Thank you.

2 Pics of battery app:

imgur.com/a/YnNtp

⟐ Commented December 30, 2025 at 2:35 MST

UPDATE:The on board connector for the charging port needs to be replaced or resoldered.

⟐ Answered November 30, 2025 at 12:48 MST

My dad's XZ Premium 'stopped working' like two months ago, he took it to a random repair shop who opened it and poked a lot of components so there's no warranty anymore they thought it was a bad battery for some reason.

I found the phone still worked but the screen appeared to be broken so I thought i'd fix it for fathers day with a replacement screen.

I installed the replacement screen but it still wouldn't work, then I found that if I boot it or make a screenshot even though I don't see anything the screen does in fact show an EXTREMELY low change in brightness. It's barely visible at all.

So I supposed it wasthe backlight that doesn't work, so I've read about backlight fuse/jumper repairs on the motherboard. I check the backlight fuse with a multimeter, and it appears to work fine. Then I want to proceed to check the display fuse, but I can't seem to find it given it is marked with the L like it was on the xperia z5 i've seen in video tutorials.

The XZ Premium motherboard around display connector:

(you can see the V marked backlight fuse just on the left side of the display connector(long white)

The Z5:

Hopefully I can find it and find that the fuse needs fixing otherwise I won't have a clue what the issue is anymore... ;/ If someone has other suggestions, that would also be highly appreciated.

Thanks in advance.

Edit:

Thanks to Smartfonefix I think I found the issue, visually they already look in bad shape not exactly sure what to test on with these I tried a bit with the diode mode but the numbers don’t say much to me (I do have a working XZ Premium myself to compare values to but I don’t really want to void the warranty on that) though I don’t get a beep on the coil and diode. I’ll try to find out how to confirm it’s either one of these or both but even if it is one I doubt it’s a diy fix. (i think it’s the correct ones that are in the top left/middle-left.

⟐ Commented November 25, 2025 at 8:42 MST

⟐ Answered September 17, 2025 at 11:41 MST

I am searching for the location of the display backlight fuse for Sony Xperia XZ2 COMPACT.

I just found here the solution for XZ2, but not for COMPACT version.

Can anybody help, please?

Thank you in advance.

Regards

Martin

⟐ Commented February 04, 2025 at 5:56 MST

⟐ Answer accepted October 31, 2024 at 9:46 MST

⟐ Answer edited October 15, 2024 at 16:06 MST

My cell phone cannot be used due to repeated restarts. The cause may be that the SIM is not recognized, but it restarts even if the SIM is removed. I can't use the internet either.

⟐ Commented September 11, 2024 at 13:13 MST

⟐ Answered August 21, 2024 at 8:41 MST

Does anyone know what the function of this (marked with red rectangle) element is?

Thank you in advance!

⟐ Commented July 17, 2024 at 11:16 MST