Hook 3,215 Posted Thursday at 01:28 PM Share Posted Thursday at 01:28 PM 1 hour ago, Onkel Otto said: But Airplane mode is no solution for me, because I am using the Pro1 not only as little computer, but also as a mobile phone. Just to be clear, I wasn't suggesting not using a Pro 1 as a phone should be a solution for anyone. However, my defect led me to a diagnosis of the possible problem with Airplane Mode being a test. 🙂 I'm just lucky my problem doesn't affect me much because I happen to be weird. 1 Quote Link to post Share on other sites
EskeRahn 5,580 Posted Friday at 06:04 PM Share Posted Friday at 06:04 PM On 7/24/2025 at 1:31 PM, Onkel Otto said: my Pro1 was emptying the battery to only 50%. Slight improvement, but still to much to use it during the day at work and so on. Last night I had "Airplane Mode" on and Wifi on too. VoLTE (4G-Anrufe in the phone localized to a German UI) was on. Could you please test if it make any difference over night, if you turn VoLTE temporarily OFF? Just to test if VoLTE is somehow part of the issue. (I know turning VoLTE off will not be a solution, for carriers that shut down their 3G services. So just a test) Quote Link to post Share on other sites
Onkel Otto 7 Posted Friday at 08:19 PM Share Posted Friday at 08:19 PM I will test it tonight with VoLTE off. 1 Quote Link to post Share on other sites
Onkel Otto 7 Posted 6 hours ago Share Posted 6 hours ago (edited) I used my Pro 1 with VoLTE off during the past 3 days. At nights I set it to "Airplane Mode" on and Wifi on. For this, VoLTE off made no difference regarding the battery drainage. But during the day - with "Airplane Mode" off and "normal" phone usage, VoLTE off reduced the battery drainage. It is still not as good as with Lineage 22.1, but my Pro 1 survived the days without additional charging in the afternoon. The past two days were weekend days, where my phone usage is different to week days. Therefore I have to observe this a few more days. I also received a new 5G SIM card from my provider (I did not order this - they are changing their system - it is a pity, that the Pro 1 does not use 5G). I put the new SIM card in the phone today, because I have to use it before the end of the month. And I switched VoLTE on. I will check for two or three days and then report here, if the new SIM card has an effect on the battery drainage. After that test I will continue with the VoLTE test. Edited 6 hours ago by Onkel Otto Quote Link to post Share on other sites
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