[Blu Vivo XL] eksasol:
I just used the phone for half a day and thoroughly enjoy it. On first impression, the phone is very light for the size and they give nice accessories considering the price; earphones, screen protector, case. The phone have an RGB notification light.

Interface:

-The interface is not stock Android, it's more like a modified version of MIUI. It's very usable once you install your choice of stock launcher, replace the default keyboard, and disable some of the bloat apps.

-Since it's not stock Android, I find it take a bit of time to get used to finding things in the Settings menu.

-The swipe up hardware toggles (Control center, similar to iPhone toggles) are pretty useful and more well organized than stock Android imo.

-Screen off gestures, you get many different commands (double tap on, camera, flashlight, customize your own, etc) and it work pretty good.

-Feature to display network speed on the notification bar

-"Close all" button in the recent apps menu.

-There is a feature to modify apps permissions called "Permissions of App".

-I can not find the shortcut to "Smart Lock" window anywhere, even though it is supported in the OS, if you pair a bluetooth device it will display the notification to enable it. But there seems to be no way to get to the actual Smart Lock window to enable other smart lock features, or I miss it somewhere.

Performance:

I installed all my programs pretty quick. I don't see any lag issues. All the apps launches fast and run smoothly. I don't intend to play any heavy games on a $100 phone, all the light games I play like Subway Surfer and Horizon Chase have no lags.

Connection:

Cell: The dual sim feature seems to work good. I still have to to test the signal quality, but I have to say the data speed is average. I get about 10 to 12mbps down for T-Mobile LTE speed test.

Bluetooth: I'm happy to report the Bluetooth have good performance, the motion of people lips in videos are in synced with the audio from the bluetooth speaker.

WiFi: Can reach high speed, no problem.

GPS: No problem.

Storage:

There is a strange quirk with the phone which is by default your microSD is acts as the main 'internal storage' of the phone (sdcard0), and the actual internal storage act as external (sdcard1). So it would help if you use a fast microSD. I think this is because I have the microSD inserted the first time I set up the phone. Maybe this problem can be prevented by not inserting the microSD for the first time you boot up the phone. I don't know, but I'll just live with it.

Display:

The screen is very nice for a 5.5" 720p AMOLED display. It's not going to be sharp, but it the pixels are smooth so you don't get so much of that pixelation effect. Pretty much deep black, saturated colors and good viewing angles you expect from AMOLED. It's definitely not the brightest of display though, so you might have some problem under direct sunlight.

Camera: I haven't used it too much, but it's pretty average. Like all lower end camera, it have issue with under/over exposure, also the white balance is really off on auto mode. I like the manual mode that let you control the ISO and shutter speed. It's no where bad in good lighting condition, I'd say it takes good enough details for a budget phone.

Speaker: Very average, don't expect much here.

Charging: I used my Anker quick charger and it seems to charge the device fast and safely.

Ringtones selection:

The only thing I don't like is that if you have music in your phone, when you go to change the default ringtones, it will display every single songs in your phone and you have to scroll through it. The way to remedy this is to use the file manager in the phone and create a file called ".nomedia" in your music folder, so the phone will not recognize songs in it. Once you set your desired ringtone, you can remove that file. Or you can simply use a third party app to do the job.

Aside from some quirks, I honestly have no complaints so far, I would have no problem paying the full $150 for this device. I definitely like it better than the Moto G3, except that Motorola phones tends to have superior signals and call quality compared to most other brands. I definitely will not use this phone without a case though since it's on the light side.