10% battery standby time of cell?

Hello.

I have a ThinkPad slate tablet (model 1838 - 2DG with an Ericsson F5521gw inside, no SIM card installed). Battery only lasts six hours on Wi - Fi (without CPU intensive tasks running on it, middle of the display brightness). There is not much time for a new (for the most part) unit which had a first full charge before using.

One of the reasons for this performance of low battery, IMHO, is that a battery of 10% is wasted on 'Standby Cell' (with a time of 100% without a signal). I would say that this is a consequence of an old udev for WWAN, even if there is no SIM card installed, but I'm far from an expert Android (or Linux).

Can anyone confirm if this problem exists on ICS? (I would say that this question is for Lenovo staff, that there is no official image of ICS available for public use).

Thank you!

If you look through the market - there are apps that turn on/off manual network wann

the problem if you enable flight mode and use only wifi from there?

Edit: just re-read your post - since you have an installed wann card, always will be when he's around. me which is also even if it is not connected to any network - because the map is always initialized. manually disable mobile data do nothing as he again search signal in its "State of sleep. Currently, the only option is physically remove the card - or use airplane mode + wifi on

Tags: ThinkPad Tablets

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