Positives:
The replaceable battery under normal use the phone with, surfing and retrieve emails holds about 2 days (without navigation). The rate in the range LTE is very good, the screen is very easy to read even in sunlight. The device responds liquid, the memory is due to the possibility of inserting a memory card also perfectly adequate. I have stored there alone navigation maps in a size of 9GB. The GPS reacts quickly and reliably, the same applies for the WLAN. At first I thought to miss Gorilla Glass, but so far is not the case. So far everything is to my satisfaction ....
Negatives:
Not every navigation software can be installed on the device! I had previously used Navigon than buying full version and was very satisfied. Although it is possible to download and install the software first in the store, is their end uses not possible as the last step of the registration can not be done. After consultation with Navigon this is due to a lack of clear technical device identification. Navigon meet them and provides possibly a refund on.
A good navigation can, however, without any restriction with the Here Maps Software (formerly Nokia - free and storing the map data without a data connection possible offline) are performed.
Conclusion: In the end, it does not require a costly 600 smartphone for the usual "office use" to have. Even some good Pausenspielchen like Temple Run or Hungry Shark can be played smoothly.