I have 3 phones, for various reasons. Not SIMs, but 3 devices. The usage is radically different between them. 2 of them are used daily but even there one routin

I have 3 phones, for various reasons. Not SIMs, but 3 devices. The usage is radically different between them. 2 of them are used daily but even there one routinely runs out of battery and other does not dip below 80%. The third one gets used when it gets used :)