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- The type of connection you are using most of the time.... (2G - E - G / 3G or H / 4G).
- The signal strength, dBm numbers..... or at least the amount of bars you get.
- Are you using a WiFi adapter for data connections or just the mobile data?
Maybe with Sprint you have better signal than with T-Mobile in your area.
i.e.: I switched from Vodaphone's 3G networks to 4G networks in my house. (I don't use WiFi at all, with WiFi there is no really big difference).
With 3G i have 4/4 bars (less than 5-6% battery drain per night).
With 4G i have 2/2 bars (from 6% to 20% drain per night; 6% when im near 3 bars, and 20% when im near 1 bar of signal).
If you have exactly or almost the same signal strength and network type with both carriers, but you still have more drain with T-Mobile, then that would be more interesting...
Yup that is T-Mobile alright. Good signal outside and no signal inside.
Get a signal repeater ( cel fi ) and it'll all be good.
Too bad WiFi calling is not a playstore app, if T-Mobile really wants to be the uncarrier they would make that happen.
Sent from my Nexus 5 using XDA Premium 4 mobile app
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