The E4.5 solves a Wiko Bloom from which has laid a good behavior to light and is equivalent in most respects. But some weaknesses should eliminate the Aquaris. The technical data of the manufacturer are correct 'there is even a few mm shorter. Workmanship excellent and stable, the phone comes relatively lean over very light and yet valent weight, good feel. The screen brightness and colors are a little better than Bloom. Due to the higher resolution and Dragon Trail, the display is clear and fine, thanks 240dppi. But here not the last mm from the ratio Shell Size / diagonal screen is squeezed. There's just no iPhone or Samsung, so costs only a fraction. The operating system is Android 4.4.2, bq Update Version 1.5 - without unnecessary add-on software. Instead of the default file manger even the much richer ES File Explorer is in use. (Warning, the PlayStore update prevents access to internal sounds.) The processor performs without noticeable delays his service, 1GB of RAM are sufficient for my needs and support working liquid. 8GB memory are approximately 5GB for applications. Unfortunately Apps2SD does not work, but is on Android. The TapTap function (switching on tap twice on the display 'yes with a slight delay) I would not like to miss again. Hardware keys are good (better) attached. Overall, the Aquaris features offers some interesting additional z. B. about the settings on the status toolbar. Ranging over fast switching for Wi-Fi, 3G / 2G, flashlight, etc., until the Info LED. You can set differentiated colors, frequencies and vibration for Apps. For the SIM 'cards and SD' card there are bays. We must not remove the cover and therefore comes at a 'disadvantage', the battery can not (himself) replace 'the unit should be returned. But the Aquaris is very economical, 2-3 days I always manage with Pushnotification, calendar, mail, etc. 'it can sometimes be four days. And all this without Anzeigebug (Bloom). To preserve the battery, the status LED shows at 90% full (green). But you can also load up to 100%. Fi as it should be. The mobile data transmission in D2 and E-power is high and reliable. GPS satellites are found record-breaking. I do not use Bluetooth. Dual-SIM feature in proven functionality. Making calls also, and done properly. Spitzenhörqualität well enough in a noisy environment, and speakerphone. The voice quality and noise suppression are excellent. The camera is mediocre. One must wait for the autofocus especially in close-ups. Otherwise, the image is nothing. Can become a small puzzle read Data Matrix code therefore. Once again the memory. The Aquaris for rooting problems with Kingo ROOT. With Links2SD can then outsource Apps on an external partition and link. Conclusion: a place for smartphone in its class, with high quality, some nice features and a good display and voice quality. Whether the added value 40 compared to z. B. the Wiko Bloom are justified, everyone must decide for themselves. I have, I regret the purchase in any case.