[Xperia Z1 Q&A, Help & Troubleshooting] Just2Cause:
Hello!

Yes, it's right. I guess it's my turn to get the sudden death of my beloved Xperia Z1.

It's dead, but I don't think it's completely dead and I'm hoping for some help from tech navy's around here and from other people who got the sudden death issue so here's what happened:

I woke up early in the morning at around 8 am and the battery was at 9% and I had no time to put it on charger because I'm in a hurry, so I said I'll put it on charger in car same as always. I use the magnetic cable that I removed from the dock (cuz my sis lost my charging cable, I have to use my magnetic one every time) and I almost always charge my phone in the car with that cable. The phone was working perfectly so I locked the screen and connected the magnetic charger and the charging light didn't come on so I wanted to check if it's charging.... and found out that it's dead (no charging LED, not turning on, no Power + Volume up vibration, no nothing) so I went back to the house and put it on my mother's charger (Micro USB) and got a red LED light as if it's charging, but it's not. still doesn't power up and everything and yes, I've tried the reset button near the SIM card, nothing wants to work.

I took it to Sony service center later that day and they said it will take 3 days because of the traffic they're having, and I have no warranty because I bought it on release which is more than a year ago. After 3 days, they told me that it's a motherboard problem and it got water damaged (while the last time I put it in water was about 2 weeks before that day, and he saw that the white thing is red) and it can't be fixed pay some money and take a new one (just phone no boxing no nothing) and I said no thanks and took the phone to another shop and he checked it and told me that he can't fix it.

I cracked open my phone and I can't see any water damage in it, everything seems to be perfectly fine. I've tried everything I could think of, everything I read on the internet, but nothing seems to work, and the pc doesn't even notice that I connected my phone, I've tried connecting it in fast boot, and flash mode, but nothing works it just keeps the red LED light on. Disconnecting the batter didn't help at all.

I called Sony service center and asked them if I can buy a motherboard from them and they said that they don't even have replacement parts for any Z series phone because they're not authorized by Sony to repair the waterproof/resistant Z series phones (The service center here isn't Sony, but it's an authorized service center by Sony) so at that point I lost hope to get it repaired.

All that happened back in January, but now that summer is here, I want to fix it somehow. But I have no clue where to start, and I'm not sure how to confirm that it's the motherboard that's damaged. is there a way to find exactly where the problem is? I have a soldering iron and everything needed to repair the phone, all I need is to know where's the problem! I can buy parts off of internet, and I will if I need to, but I'm not gonna buy a whole motherboard from ebay because I simply can't trust that motherboard.

Sorry for the lengthy post, and thanks for any help you'll give.

Regards,

~J2C