Lullabelle
Midlands, England
These products are made to last a certain amount of time, although 2 years is shorter than I'd expect. They want you being new ones every few years. Phone, computers -- they are all that way.
If the battery is cheap, I'd give that a try. If there is not a lot of difference between a new battery and what Carphone Warehouse is (are) offering on a new phone. It may be a longer term solution.
CD
Thing is TVC has a Samsung, had it a long time with no issues. I don't want an Iphone.