more common as the batteries have less cycles left in their life span. The cold weather just seems to exploit this.
Also with bad / older batteries they tend to swell...
MP (f/2.4, 35mm, 1/3.2", 1.4 µm), autofocus, LED flash,
battery- Non-removable Li-Po 1432 mAh battery (5.3 Wh)
Stand-by Up to 200 h (2G) / Up to 200 h (3G)
Talk time ...