Please post your request number in the following topic. You’ll usually get a response within a day.
Possible solution: leave your phone off for a day or two or more… just let it go. Stop trying different tricks. In theory the battery will be absolutely drained. Put the charger back on. It might come back to life. It will go through the optimising apps screen (mine had 152)
I pretty much gave up on trying different things. Filled out a support request. Ping in social media (and here) asking for extra battery to test in my area. No one turned up. Figured I’ll put this whole thing aside and give time for support to get back to me (usually they take forever 
and it is usually me pinging them again about it). Decided to give it a try for the heck of it. Left the charger on. Left the house. Back in a couple of hours. The green light was on, so I turned it on.
I haven’t done any extensive tests i.e., I don’t know how long the battery will last. I’ll report back if anything unusual. I literally just have this phone come back from the dead so decided to share with everyone. 
Unfortunately, this didn’t work, but something else worked: FP2 Won’t turn on or charge - See first post for troubleshooting
Argh… not recharging again. It went on for almost a day then when I tried to recharge again, it wouldn’t recognize it.
Repeated the same process as earlier: FP2 Won't turn on or charge - See first post for troubleshooting i.e., let the battery completely drain (off for 2 days). Plug back in. It recharged completely. I unplugged the usb/micro cable, plug it back in, it does not recharge!
What could be at the root of this problem?
Oh, this is just getting more interesting by the second. The screen went to sleep (or at least seemed like it). I couldn’t turn it back on… so it rebooted. I got this:
Android system recovery (3e)
r4275.1_FP2_gms54_1.3.6
Volume up/down to move highlight:
enter button to select
reboot system now
apply update from ADB
wipe data/factory reset
wipe cache partition
reboot to bootloader
power down
view recovery logs
apply update from sdcard
E:Can't open /dev/block/platform/msm_sdoc.1/by-name/misc (Permission denied)
Briefly looking this up… There is a related thread here: [HOWTO] ✏ Compiling Fairphone Open OS / Rooting . I didn’t change the factory settings. Only did out of the box FP2 OS updates.
did the trick. it booted eventually back in. Still not recharging. My laptop is not detecting it either.
I was able to recharge by first turning off the phone. After full charge. I turned it on. Plugged it back in… it recharges and my laptop picks it up as well. unplugged and plugged again a few times… it seems to work. For now…
I think this battery is busted. It is down to 92% already!. Just posted my message less than 5 minutes ago.
D’you know what, that worked for me! Phone died suddenly yesterday and wouldn’t charge, I was just about to try taking the whole thing apart or buying a new charger but I thought I’d try this first, glad I did. It restarted straight away and is now charging happily. Thanks!
Hello, since yesterday my FP1 got a black screen. So the phone is working as some people tried t call me and it was ringing. I already took everything apart but it doesnt help at all. The LED is off when I am charging the phone and I cant connect it to my computer. Anyone got an Idea?
I moved your post here, where we discussed this issue before.
You battery is probably deep-discharged and or your cable/charger is not fully compatible or functioning.
Take out your battery and let it cool down for > 1/2h. Put it back into the phone and plug
it in without booting. The Led should blink and then go from red to
yellow to green. Turn on the phone.
If this didn’t work (LED won’t turn to yellow or doesn’t light at all), try many different cables and chargers. You’ll need a high quality data cable (4 threaded).
Hey there, yes that could be… I left it the whole night cool down… Nothing working. I ordered a new baterry, will see what happens when I get this!
I have been very happy with the FF2 until yesterday when I installed the update for OS 1.4.2 I think. THe phone restarted and installed apps fine, but then I ran down the charge last night while out. I have been unable to re-charge the phone, as soon as it starts to charge, it starts to boot itself up, and uses up the small charge it has and dies again. I have tried taking out the SIM card (I don’t have an SD card) and no difference. The phone is totally unusable as I am unable to charge it to de-bug it with any of the re-boot solutions posted here. Any advice or suggestions would be great as I can’t use it at all the moment thanks
When you plug in the phone what does the LED do?
If it is red or blinks than your battery is deep discharged. Take it out and let it cool down for 30+ minutes. Then put the battery back in and plug in the phone. Let it charge without booting (normally it shouldn’t start booting if you simply plug in).
If the LED is not lighting up than your charger/cable is not fully compatible or is broken.
Hi Paul,
The first few times the LED flashed red when I plugged in the charger (normal charger I have been using since I bought the phone with no problems) and then without me touching it, it tried to boot itself up a few minutes after it showed the battery charge image on the screen. I took out the battery, cooled it for about an hour, put it back in and the same issue. I checked the charger with a friend’s phone and it is working fine, it charged her Sony no problem. I tried it back in my phone, had the same issue with the red flashing LED and spontaneous boot up, so I tried taking the battery and SIM cards out, cooling and then charging with the SIM card. I had the same issue. After this has been going on all day, it is now plugged into the charger and there is no red light at all and it is not charging. Any advice? Thanks
Unfortunately that doesn’t mean much. Fairphones are quite picky about chargers/cables that are compatible.
You can find a list of compatible chargers here and you’ll need a high quality data (4-threaded) cable.
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OK thanks, it is strange it is one I have used since I bought the phone, but I will try a different one and see what happens.
Maybe you cover is not placed well and pushes the power button. What happens if you leave the back cover completely off?
I woke up to a dead phone this morning, when I plug it into the charger, the LED flashes red for a while before going dark. After approx 5min it starts flashing (longer interval) and the speaker emits a click-sound approx every 10sec. None of the buttons work.
If I take the #battery out, it flashes the white led, the vibrator buzzes once before it reboots. If I inser the battery at this stage it immediately goes to flashing red (for a while before going dark again)
I’ve tried taking out the battery for an hour, removed the display to clean the connectors and assembling it again to no avail.
I’ve tried 3 different chargers with different cables (one USB from the computer, one old Samsung S2 charger and a usb-cable for a kindle), none of these work.