On Thu, 10 Apr 2014, Max.Suraev@fairwaves.co wrote:
I modified the mobile battery, removing the battery itself, and replacing it with a 3.7V AC-Adapter, so that I don't need the charging.
Interesting - can you describe those modifications in more details? Which adapter have you used? How did you connect it exactly? Some pics?
ohh, this is no "advanced" modification. I just read on the battery, that it outputs 3.7V, then I found for an ACDC-adapter, outputing 3.3V DC (this is enough, but the phone tells you that the battery is nearly empty if you boot the original firmware; but we use osmocom :).
I openened the white plastic cover (or more correct, opened the sticker around the battery), removed the Li-ION battery from the little electronic parts and soldered the DC-adapter there instead.
Cheers
Tim