[Gta04-owner] Modem off

Rico Rommel rico at bierrommel.de
Sat Sep 14 18:45:08 CEST 2013


Am Samstag, 14. September 2013, 18:11:29 schrieb Radek Polak:
> Hi,
> i wonder if modem powering off works as it should. Attached is charging
> graph taken from my GTA04.
> 
> You can see power consumption for:
> 
> 1/ normal suspend 13:09 to 14:26, discharging current is 24mA
> 
> 2/ suspend when modem was turned off as documented here [1] from 14:32 to
> 16:11, discharging current is 37mA
> 
> 3/ device turned off with modem turned off from 16:11 to 16:59, discharging
> current is 14mA
> 
> What is strange - i'd expect current at 2/ to be under 24mA and it should
> tell us how much modem eats.
> 
> The case 3 might not be very accurate, because in those 14mA is accounted
> power used for device booting. I'll retry it using longer time period.

I have seen a similar behavior also on my GTA04.
My phone mainly works as gps-device and to save power, I usually turn off 
modem. But sometimes power consumption increases by 20mA.

Rico
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