1. Can’t set sd card as internal memory.
2. Can’t set sd card as default storage for data, media or apps.
3. No compass.( gyroscope far more ! )
4. Continuous front flash. ( new technology ! )
5. No ambient light sensor. ( you cant see anything in outdoor if you forget to click outdoor)
6. Single 4g standby.
7. Internal storage become full after few games or apps. ( if you change storage only a little part of the app is transfered to sd card)
8. Cant set default path to sd card for apps.