I bought a Nokia 5700 3 weeks ago. As the phone cover conducts heat exceptionally fast (10 min into conversation), I requested for a change of phone from Nokia. Nokia Singapore requested for inspection and found that the phone that I purchased, conducts heat at the same speed as the others under the same model. However, they did not comment if it does conduct heat faster compared to other models. Nevertheless, they agreed to change the phone for me to Nokia 5800. Upon receiving the new phone set, I charged the phone for 12 hrs but it... read full review »