Red LED Light - Xperia Z Q&A, Help & Troubleshooting

Hi,
After using my phone all day yesterday it went down to 15% battery so I turned it off and put it on charge using a mains charger. When I switched the plug on the LED went red and I assumed it was charging the phone.
Got up this morning and the led is still red and the phone won't switch on so I am assuming it didn't charge properly, have plugged in the usb charger and am now waiting to see if the light goes green once charged...
Any ideas why the light was red if it wasn't charging, and why it is still red this morning, does it do this when the battery is low and the phone is off?

When the phone is turned off and charging, it will be red. When the battery is enough (not full), it will boot up to a charging state.
All you will see is a battery with a green bar across it.The led will now emit, yellow/red.

Not sure what the problem was but I'm guessing this phone cannot be charged correctly with a mains charger so I will stick to using USB chargers connected to the mains, once I switched to that charger the phone started charging correctly and the led went from red to orange to say it was actually charging

It is not good to leave your phone charging overnight.
http://blogs.tribune.com.pk/story/1...our-cell-phone-battery-life-stop-charging-it/
take a look at this article. I have been following these steps and even till today my iphone 4 battery operates like the day I first got the phone.

Related

XDA IIi dead?

Hi all.
I've bought a XDA IIi on eBay, with no cradle (An O2 one from UK, and I live in Spain). I received it with a travel charger, for a SPV E200 model, but with the same connector. The travel charger supplies an output of 4.5-12V and 400 mAh. The XDA did not work, so I supposed I received it with the empty batteries (both main and backup batt), so I put it to charge with the travel charger. After 2-3 hours of charging, it still does not work, does not respond to power button or soft and hard reset attempts. But the XDA shows an orange/red blinking light when charging it. According to the manual, it should be an amber solid led when charging it. The only solid led I've seen is a green one on the charger.
I still don't know if it works. I'm receiving and usb sync/charger cable these days, but I don't know if it will light up the PDA.
I've seen some posts where people talked about much more charging hours, and one post talking about that blinking orange led was caused by a low-power charging, and another where talked about it was a problem with empty backup battery. But after 2-3 hours I think at least the backup battery should be fully charged.
I would like to know if anyone knows what does that blinking led exactly mean, and if I have to charge it 24 hours or more until it responds to power button and does anything else but blinking light. Has it to be a continued charging?.
Thank you.
OK, I've received an usb sync/charge cable and a charger, and after some minutes charging it worked. I've got the next conclusion:
Blinking led means charger not giving power enough. Red led means crytical battery level. (So blinking red means no charging power enough and very low batt). Solid led (no blinking red or amber) means enough charging power. Amber led means no crytical batt level.
I hope this helps anyone who got the same problems I got too.

Battery not charging even though phone recognises charger

I have a C6003 running 4.4 Stock with an unlocked BL and am rooted. The phone screen is cracked at the top third (not smashed, just 2 long cracks) and that third of the screen does not receive touch input, but still displays. Anyway, the phone is currently out of battery, when I try to power it on, I get either a flash of the Sony logo then 3 blinks of the red LED or just straight to the LED, which is normal. I plug it in to charge (tried several USB cable / wall plug combos, up to 2.1A etc.) and the red LED glows solid as it should. Even hours later it still will not power on and gives me the blinking LEDs...It was charging for a total of at least 7 hours and is still not turning on. I have had several battery issues recently but this is the most serious. I am sending my phone in for repair under insurance for the screen but need to back it up first! Any help is appreciated.
EDIT: Quick edit to add the fact that this same issue occurred yesterday as well but it eventually powered on with 15% battery, I used it and it would not charge and so that is why it is run down again. Even when powered on it would not charge, the LED did light and it charged for 5 seconds each time the cable was inserted, but after the 5 the LED would stop and it would stop charging. The phone knew the cable was there though as when it was inserted Stamina mode was disabled (as it should) even though it was not charging?
Roscobigfoot said:
I have a C6003 running 4.4 Stock with an unlocked BL and am rooted. The phone screen is cracked at the top third (not smashed, just 2 long cracks) and that third of the screen does not receive touch input, but still displays. Anyway, the phone is currently out of battery, when I try to power it on, I get either a flash of the Sony logo then 3 blinks of the red LED or just straight to the LED, which is normal. I plug it in to charge (tried several USB cable / wall plug combos, up to 2.1A etc.) and the red LED glows solid as it should. Even hours later it still will not power on and gives me the blinking LEDs...It was charging for a total of at least 7 hours and is still not turning on. I have had several battery issues recently but this is the most serious. I am sending my phone in for repair under insurance for the screen but need to back it up first! Any help is appreciated.
EDIT: Quick edit to add the fact that this same issue occurred yesterday as well but it eventually powered on with 15% battery, I used it and it would not charge and so that is why it is run down again. Even when powered on it would not charge, the LED did light and it charged for 5 seconds each time the cable was inserted, but after the 5 the LED would stop and it would stop charging. The phone knew the cable was there though as when it was inserted Stamina mode was disabled (as it should) even though it was not charging?
Click to expand...
Click to collapse
Check this thread out, it might just resolve your issue credits to @AhmedZadjali

Stock Nook HD Not Charging

Note I have replaced the battery (battery worked but the unit wasn't charging which tells me bad cable.) Today I had gotten a cable after a long dry spell of not having any money to spare. Plug it in. Unit light turns green, then orange, shows charging icon, then screen blinks and shows empty battery + wall plug Icon. Then turns off.
I suspect the battery is just so dead that it isn't registering as charged. Took the unit apart to plug the charger in with the battery unplugged which caused a red light and blank screen. Plugged battery back in. Same behavior as before.
Do i just keep flicking it on whenever it turns off to hope enough charge trickles in so the internal controller perks and goes 'oh wait I need to do something'?
Edit: Turns on now but it says it's at 11% and not charging. Do i flash cyanogenmod and hope thatdoes something?

Strange Problem with Dash Charging

I have a strange problem with Dash Charging on my phone. When I connect the dash charger the blue light comes on and I get the bolt symbol. After a minute or two the blue light goes away and the lock screen does not say dash charging anymore. The notification icon however still shows the bolt symbol. If I keep the charger connected the battery percentage just sits fixed and does not advance.
When I remove the charger my battery will keep at the same percentage for a long time and then starts depleting. I feel like the battery is charged and it's only an indication problem.
This is a brand new phone with an original charger, I went to the retailer and he even changed the dash charger and cable and I get the same behavior with the second charger and cable set as well.
Additionally, if I charge with a regular non-dash charger my phone charges just fine. I get a red charging light and the charging percentage advances normally.
Please advise what to do?
Sent from my ONEPLUS A3003 using Tapatalk

Mi5 dead,only RED LED.

So one morning I woke up and saw phone keeps rebooting(bootloop).I had breakfast then came back to pick it up,and i connected it to charger and phone was totaly dead.I tryed other cables but still same result.Only way to power it on is when I use original cable and connect it to charger/pc.Then red led turns on and display showing low battery,and led keeps blinking.Sometimes it can boot into system and works for few minutes and shuts off cuz 0%.I changed battery but everything is same,I also can go into TWRP.
**I TRIED EDL MODE/two pins or whatever and my PC is not showing Qualcom driver or anything else in relation with phone
i had same issue before, i simply just buy new cable and it working again!!
PS. Before i buy new cable i already had 3 type-c cable bot non of them working
I had the same issue an hour ago. My MI5 had ~25% charge left when I saw it shutting off, maybe I unknowingly did it. Then I decided to leave the phone in TWRP at night but in the morning it appeared to be dead. The red LED blinked only when I pressed the buttons, no turning on, fastboot or booting into TWRP was possible. When I plugged it into the charger an empty battery icon appeared with the red LED blinking continuously. After some time a new animated battery icon appeared, in the still turned off state, but this time showing the exact charge percentage (2%). It went to 3% and I turned it on with the power button.
Should be a faulty battery which needs to be replaced!
Vivitsu said:
I had the same issue an hour ago. My MI5 had ~25% charge left when I saw it shutting off, maybe I unknowingly did it. Then I decided to leave the phone in TWRP at night but in the morning it appeared to be dead. The red LED blinked only when I pressed the buttons, no turning on, fastboot or booting into TWRP was possible. When I plugged it into the charger an empty battery icon appeared with the red LED blinking continuously. After some time a new animated battery icon appeared, in the still turned off state, but this time showing the exact charge percentage (2%). It went to 3% and I turned it on with the power button.
Click to expand...
Click to collapse
Remove back cover plug and replug the battery connector it qill solved (red light of death) if still happend you need to buy new battery

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