Strange behaviour since yesterday : the battery dropped significantly with very moderate usage (wifi browsing for 30’, standby most of the time).
At the end of the day, the battery was at ~40% of charge (usually it looses 10-20% a day).
During the night, it lost 21% (usually : 1-2%). This morning, after I left airplane mode, I could see the battery level losing 1% every ~3 seconds (countdown ! :p)
Finally it stopped decreasing at 6% before going down again after I put wifi on, until it just shut down at 0%
This is the first time since the update I have this behaviour. Battery usage was quite normal before (I recharged the battery maybe 3 times since the update).
It’s the original one. 4 years, 3 months I never had this behaviour before the update. Having a quite light use of my phone, usually I charge it every 4 - (6) days.
Yesterday, when I lost quickly about 20% of charge after some browsing, battery usage, according to my phone, was for the screen (set to automatic brightness).
Now it’s fully charge (2 hours needed), I’ll monitor the battery level.
It’s normal for batteries to degrade after some time (that’s why non-replaceable batteries should be forbidden IMO). Usually that’s after about 2 years, but since you haven’t charged it every day, it is quite probable that only now you see the effects of degrading.
Unfortunately I have not been able to track down the cause of my 4.4.4 battery drain so far. As soon as I switch my primary FP1 back to Macadamia, it gets 2-3 times the mileage (read: the battery lasts 2-3 times as long). I have switched back and forth twice now, same pattern each time.
To make things further complicated, my secondary FP1 does not show any difference between 4.4.4 and Macadamia with regard to battery time – this secondary phone is just lying inactive (airplane mode) on the shelf though.
Now gradually trying to switch all secondary FP1’s settings to my primary FP1’s settings, step by step, in the hope to narrow down which function/setting/app lets my primary FP1 drain so much quicker under 4.4.4 than under Macadamia.
Yes, it worked. Without wiping data/factory reset I ended in a boot loop. Then I retried the whole procedure now with wiping data/factory reset and I succeeded.
Signal won’t work if I install it through Yalp.
Is it possible to install openGapps? And if so, is it ARM and 4.4?
Do I need TWRP?
About battery life, here is how my phone behaves, one month after the upgrade.
Battery life seems to be better. Charge decreases slowly, but is a little bit erratic.
Usually I charge my phone when the battery is at about 40-60% of charge.
The last time I let it go, just to see how much battery life I could get.
On the 6th (!) day, the battery was at 43%, at the end of the day.
When I woke up, it was at 13%.
That morning was 7 days and 1 hour since the last charge. OK, I just sent some SMS, had a few calls, checked my emails on 3G maybe every morning, but that’s all. Airplane mode every night.
Before the upgrade, the battery level was more linear. It usually decreased by 10-15% a day (I put it on charge every 4 to 5 days).
I think it’s nice for a 4 years, 5 month’s phone (original battery).
I just have to charge before it reaches 40%, just to be sure.
I wished I could report similar progress, but I have only gotten five days out of 4.4.4 in my primary FP1 once – using the battery charged in my secondary FP1. Now that I charged the battery in the primary FP1 again for the first time, it’s already back to the 1% per hour hemorrhaging (without any use other than an active SIM card) I had already done two battery resets in the course of my efforts to get it to normal discharging rates, I really don’t want to stress the battery that way so soon again.
Having ruled out all sorts of individual apps as the culprit, I was temporarily thinking it was about the SD card. But the externally (in my secondary FP1) charged battery then suggested it’s not the SD card.
I have tried so many things to change this pattern and without any usable conclusion, I’m about to give up and go back to Macadamia or even Kola Nut. Battery lifetime and listening to music from a large SD card is more important to me in my FP1 than the ability to go online.
Another one saved from recycling!!! Or sitting in the drawer.
Thanks to everyone involved for producing the various bits of this and sharing - including the step-by-step.
I used ADB (loaded the recovery.img first, went into recovery mode and then sideloaded the file using ADB.exe). All worked ok until I rebooted and got into a cycle of doom - showing the blue ‘loading’ page and then the black ‘android’ page…
I reset into recovery mode and selected ‘factory reset’ and then restarted. It worked fine. No problem with IMEI loss (but then the motherboard of this phone was ‘bricked’ when I bought it and I had to do some jiggery pokery to set IMEI, when I cannibalised it, so maybe that was retained somehow).
I think my battery life is draining quicker now, but that’s a bit subjective so far (just a few hours of heavy use while I transfer / add apps). I’ll get my smashed-screen spare FP1 out and see if I can compare.
I just hope I can hold out until the mythical FP3 makes an appearance (and I hope it’s [around] the same size as FP1!).
That’s what is soooo exciting and fantastic about Fairphone: the people supporting it.
All those fantastic folk called angels acting as support-crew on- and offline and the ones like @z3ntu developing stuff still even for the FP1 and sharing it with the community!
Dear all,
I am a proud owner of FP1U. I’m trying to install KitKat 4.4.4 according to @urs_lesse 15-points guide (thank you so much) . However, I get and “Error: aborted installation” once I tried to install from sdcard either FP1-4.4.4-z3ntu-0.0.1.zip oFP1-4.4.4-z3ntu-0.0.2.zip.
Moreover, I used the terminal emulator in order to get a backup but now I am unable to know how should I use the recovery.img file since from the menu option “restore” I am unable to find such file.
Can anyone help me with this issue??
note: last calling to save a FP1U prior to a FP2 acquisition…
I never had this behaviour before the update. Having a quite light use of my phone, usually I charge it every 4 - (6) days.
I had already done two battery resets in the course of my efforts to get it to normal discharging rates, I really don’t want to stress the battery that way so soon again.