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I also have a phone number solely for MFAs, and phone is in drawer at home. Battery is good for weeks, so not plugged in. Every incoming SMS, an app forwards it

I also have a phone number solely for MFAs, and phone is in drawer at home. Battery is good for weeks, so not plugged in. Every incoming SMS, an app forwards it to a Google Apps Script, and GAS pings my telegram bot, which sends it my all devices with telegram installed.

gh02t 4y ago
What phone capable of running apps has a battery that lasts for weeks? Old feature phone with a custom (?) Java applet or something?
- acdha 4y ago
  My work iPhone 11 will run for a week in low-power mode - the battery is pretty large without the screen on with a bunch of apps keeping the CPU and cellular radio warm. I use mine mostly for MFA messages & Exchange when away from my desk and that’s a lot more power-efficient than I thought.
  - gh02t 4y ago
    Yeah, I thought about low power mode but at least on my Samsung phone that kills basically all of the background apps/services, which would include any forwarding service. Or well, you can choose to allow background stuff but that's where the battery savings really kick in. I guess I haven't actually tried it with zero direct usage of the screen or phone, maybe it could last that long...
- davchana 4y ago
  Its Huawei Honor Nova 5T, about 2 years old, with location and data off, network on, wifi on, and no extra apps except stock & that one sms forwarding app. I believe Android 10 or newer.
- toast0 4y ago
  If you want your phone that is capable of running apps to last for weeks on battery, the big trick is to make sure it doesn't actually run apps for the most part. The second part is to make sure it has good reception. Also, disable any radios you don't need, etc. If you took a random Android, put in a sim, uninstalled or disabled as many apps as possible, and left it screen off where it had a good view of local towers, you'd have pretty good battery life. It wouldn't be very exciting... but if it just needs to sit in a drawer (hopefully not a metal drawer, see reception issue) and forward a couple sms a week, it'd probably make it through at least one week. If you go for a model that has a higher capacity battery as a feature, that'll help too.
insane_dreamer 4y ago
Why not just keep the phone plugged in?
- davchana 4y ago
  Its at my home, I go there every day. I usually see it when battery is around 10%. Its USB C, so charges pretty quickly like in minutes. I can use the same charger I use for my regular phone.
  - alchemist1e9 4y ago
    While that makes sense, it doesn’t really answer why you don’t leave it plugged in.
    - sodality2 4y ago
      Fire hazard, worse for battery, taking up a charging plug, etc
nabaraz 4y ago
Very interesting! Do you have a blog or anything written for your setup?

gh02t 4y ago

What phone capable of running apps has a battery that lasts for weeks? Old feature phone with a custom (?) Java applet or something?

acdha 4y ago
My work iPhone 11 will run for a week in low-power mode - the battery is pretty large without the screen on with a bunch of apps keeping the CPU and cellular radio warm. I use mine mostly for MFA messages & Exchange when away from my desk and that’s a lot more power-efficient than I thought.
- gh02t 4y ago
  Yeah, I thought about low power mode but at least on my Samsung phone that kills basically all of the background apps/services, which would include any forwarding service. Or well, you can choose to allow background stuff but that's where the battery savings really kick in. I guess I haven't actually tried it with zero direct usage of the screen or phone, maybe it could last that long...
davchana 4y ago
Its Huawei Honor Nova 5T, about 2 years old, with location and data off, network on, wifi on, and no extra apps except stock & that one sms forwarding app. I believe Android 10 or newer.
toast0 4y ago
If you want your phone that is capable of running apps to last for weeks on battery, the big trick is to make sure it doesn't actually run apps for the most part. The second part is to make sure it has good reception. Also, disable any radios you don't need, etc. If you took a random Android, put in a sim, uninstalled or disabled as many apps as possible, and left it screen off where it had a good view of local towers, you'd have pretty good battery life. It wouldn't be very exciting... but if it just needs to sit in a drawer (hopefully not a metal drawer, see reception issue) and forward a couple sms a week, it'd probably make it through at least one week. If you go for a model that has a higher capacity battery as a feature, that'll help too.

insane_dreamer 4y ago

Why not just keep the phone plugged in?

davchana 4y ago
Its at my home, I go there every day. I usually see it when battery is around 10%. Its USB C, so charges pretty quickly like in minutes. I can use the same charger I use for my regular phone.
- alchemist1e9 4y ago
  While that makes sense, it doesn’t really answer why you don’t leave it plugged in.
  - sodality2 4y ago
    Fire hazard, worse for battery, taking up a charging plug, etc

nabaraz 4y ago

Very interesting! Do you have a blog or anything written for your setup?