did you find a suitable replacement to FUTO? The regualar keyboard sucks
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I have find my devices which will definitely drain battery so i need to minimize every other source of battery sucking
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I did not, no. GBoard and Microsoft Swiftkeys ran fine, and didnāt seem to drain battery, but they donāt have a high contrast solution that I could find.
I decided that the amount of battery drain on the device from FUTO Keyboard was worth having the keyboard for.
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Did you download from F Droid or Aurora? I have seen someone say that the Aurora version sucks more battery
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Regarding the deviceās battery life and power consumption (if the developers read this post and find a solution in the future, that would be commendable):
My previous Android device from 2018 had a battery capacity of 4500 mAh and lasted up to two weeks (ten days or more) without charging with good reception and light use. That was a few years ago. The battery is not bad even now in a larger city, but cell phone reception outside the city hasnāt improved where I live (the battery sometimes doesnāt even last a full day).
One reason for this is the simultaneous use of two SIM cards (dual SIM), even though they are from the same provider and on the same network. The device constantly tries to achieve better reception for both cards, with the reception quality displayed differently for each SIM card. Using a single SIM card results in lower battery consumption.
The same effect affects the Kompakt (without sideloaded apps; all apps except the Launcher, Phone, and SMS are forced to quit; Bluetooth and Wi-Fi are disabled, and the display backlight is off), although not as severely; with a single SIM card less.
The main problem is poor cellular reception. Dual-SIM operation exacerbates this negative effect, as it appears as if both SIMs are constantly searching for better network reception independently.
I wonder if, with two SIM cards in the device, both from the same carrier and on the same network, it might be possible to reduce the constant search for reception for both SIM cards simultaneously by combining the search, instead of repeating it twice, thus extending the battery life. However, this may not be technically feasible due to the handling of the two slots.
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@karl Thank you for this info & for writing it all down. I will pass this on to the team.
@karl Do you have any info about how the battery-life has changed since you made these changes. Our team is curious because, as you know, Mudita Kompakt has a 3000 mAh battery, so itās never going to last as long as your previous android device.
Preface:
The situation is somewhat unfortunate. Firstly, the location is close to the border and secondly, itās at the intersection of two cell towers. This affects the signal strength/reception quality, or at least the speed of the internet connection in case of a landline/mobile network (the device jumps back and forth between the signals from the two towers). Furthermore, the network quickly becomes overloaded when there are more people in the area than usual.
Regarding the signal strength indicator on the device:
The quality of the cellular reception fluctuates. For example, it fluctuates between one to none and three bars; occasionally, two bars are displayed for both SIM cards, then one to none for one, and three bars for the other. This is not Kompakt specific, but the same applies to other devices.
Currently, LTE is almost always available. A month ago, there was no LTE at all, and consistently, there was almost no reception or even a single bar.
Battery life:
Roughly speaking, it averages two to four days, with a maximum of three to four days, and this is almost exclusively in standby mode, meaning almost no use and stationary operation in the same location with two SIM cards from the same provider in the device. As described above, the location is rural near the border with poor network coverage.
Example:
Last full charge on Saturday 8:18 (100%) lasted three days till today, Tuesday 9:22 (7%) with a few SMS as the only workload, stationary the whole time.
I expect it will last longer in an urban area with better cell reception.
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I want to share my experience: unfortunately, Mudita Kompakt and WhatsApp donāt really get along. The app keeps a WebSocket connection open all the time, and as a result the phone discharges in about two days.
Solution? Iād recommend trying Molly (a Signal fork). It supports UnifiedPush, so instead of a persistent WebSocket you can connect to any push provider. This saves a lot of battery and works more reliably.
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Iām still experimenting myself, but itās already clear that WhatsApp is a no-go, and most likely Garmin Connect as well ā because of the constant Bluetooth connection. But Iām not sure yet. First Iāll sort things out with messengers.
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@victorpure Hmmm. Thatās quite interesting. I have both Signal & WhatsApp installed & I charge my phone every 5-6 days or so. I do listen to a lot of Audiobooks.
It depends on how often you use it, the number of WhatsApp push notifications, the overall volume of chats, and how long WhatsApp runs in the background before āgoing to sleep.ā If you havenāt configured the app to run permanently in the background (which makes sense, since I wouldnāt want to miss messages), then it keeps the communication channel open CONSTANTLY ā and that canāt last long.
However, if you havenāt made additional tweaks and you donāt have many conversations per day, itās quite possible it can run for up to 6 days, considering that background processes go into hibernation after about an hour. So if you have only 3ā4 chats a day, thatās a fully workable scenario.
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In short, I still need to figure things out. For now, Iām testing Molly with an alternative push delivery method. I canāt go without push notifications: WhatsApp is unusable for me because when it āgoes to sleep,ā I donāt even hear sounds, let alone see visual notifications.
I hoped to solve this with my Garmin (and it works perfectly ā I even disabled all sound notifications on the phone since all pushes went straight to my watch, where I could also reply to messages, which is very convenient). But in this setup, the phone only lasts for two full days. And thatās just not serious ā any regular smartphone lasts that long.
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@victorpure I was interesetd to read your thoughts on WebSocket and UnifiedPush. I switched from Signal to Molly a month ago and it uses WebSocket. I explored a UnifiedPush service-provider but was shocked to find that once you have established a channelID/name, all messages are open to read, unencrypted and in plain text at that URL e. unifiedpush.org/petemeister. One still has to guess the channel name, but even so, it was a massive security hole for me, so I stuck with WebSocket.
One thing I have noticed, though, is that my battery drains about every 2.5 days.
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Wow, damn! I didnāt even know about this! Of course, thatās unacceptable.
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So, havenāt read the whole thread but just want to give my 2 cents.
Have my MK till 18 of July.
Sideloaded Signal, InkOs and Synology Photos. Itās the only phone I have.
And the charge counter says 9.
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Thatās not true. I get 7-9 days of battery life, depending on how often I make calls.
I send several text messages every day, I listen to podcasts on AntennaPod on my way to work and back home (two hours a day), and during my lunch break I listen to 30 minutes of music to relax on Grammophone. I take a photo now and then and make notes in the Notes app. So itās normal use and, as I said, 7-9 days is the norm for me.
Apps I have installed:
-Futo Keyboard (even after the update, the Mudita keyboard is relatively slow, and the text correction does not work satisfactorily).
-AntennaPod
-Grammophone (as long as the Mudita music player does not support folders).
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I get maybe two days, thats insane
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WhatsApp or Signal sideloaded by chance? I installed a bunch of apks including Aurora but I keep them off almost at all times, and I just saw that when I keep those messaging apps open, my battery goes down in 1.5-2 days.
Before any sideloading I could get 8 days, of course if I charged it up to 100%.
I got 2 days given that I set it to charge only up to 80%.
Now, when I see the spare battery isnāt that expensive, I might keep it charged up to 100% again so itās more likely to get 4-5 days I presume, and my family will find MK battery on my wishlist for Christmas in 2 years from now. 
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Pocketcasts drains my battery very fast even when streaming over wifi