The mobile phone is sufficient for me. Positives: - Battery life, I may be a little user who battery lasts about 1 week me - Switching off the Internet connection when switched display (adjustable) - Mobile and prepaid possible (at least if the phone was purchased without contract) - Memory expandable for a Micro SD card with 32GB (enough for me) Disadvantage: - The battery pack is not plugged in, so at least not easy to change.