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B2(1900), B3(1800), B5(850), B8(900)
B1(2100), B3(1800), B7(2600), B8(900), B20(800)
ARM Mail-T880 MP2 1GHz
TF Card Slot
Max TF Card Capacity
Front Camera Sensor
Front Camera Aperture
21.0MP + 0.3MP
Rear Camera Sensor
IMX230 + GC030A
Rear Camera Aperture
Max Charging Current
Protective Film Separately
12V 2A x1
The Blackview A20 is a phone which you can import from a number of sellers including AliExpress, GearBest, BangGood, igogo, and more. With 1GB of RAM and powered by an MT6580M chip clocked at 1.3GHz, it’s not the most powerful of devices. Not only that, but it comes with a 480×960 display at an 18:9 aspect ratio and 8GB of onboard storage. You can’t expect to do a huge amount on this phone, but it definitely can do a whole lot more than the specifications suggest thanks to the extremely optimized software on board.
I was at first surprised, not expecting it to be as smooth of an experience as it was. There were some issues, but I had low expectations anyway. The phone costs around $50, so you shouldn’t exactly expect a flagship-level experience. You can check out the full specs below.
Specs Blackview A20
CPU MediaTek MT6580M @ 1.3GHz Quad-Core
RAM 1GB LPDDR3
Cameras 2.0MP front camera and 5.0MP + 0.3MP dual rear cameras
Storage eMMC 8GB and expandable memory slot up to 32GB
Display 5.5 inches 960×480 18:9 Aspect Ratio
Battery 3,000 mAh
Colours Black, Blue, Gold
Other features Dual Hybrid-SIM, 170g, Dual back cameras
Disclaimer: Blackview sent XDA this device for review purposes. The opinions in this article are our own.
The phone ships with all the usual items and there are quite a few extras included. You get a screen protector, a pair of earphones, 3.5mm headset adapter, a mini holder, USB OTG cable and last but not least, a soft TPU case.
DESIGN, DISPLAY, BATTERY LIFE
I’ve reviewed a lot of Blackview phones and this may be the best-looking one. We have a very well-made device that uses metal chassis and curved glass on the back and on the front. I really like this blue color as it looks nice and the fingerprints are not that visible.
Since the phone sports a huge battery, you can feel that the device is a bit heavier but it preserves a relatively thin profile, which is quite impressive considering the size of a power bank.
That battery performs really well. I was able to use the phone for a couple of days and that translated to about 17h of screen-on time, which is a ridiculously good result. It takes about 2 hours to fully charge the battery with the supplied fast charger.
I also found buttons to be in the right place and overall, it’s comfortable to hold the phone in the hand.
The display is really good both for indoor and outdoor use.
The dual-camera setup is one of the highlights of the phone and it is accompanied by a dual LED flash.
We also have an 8MP selfie shooter, which sits next to the LED notification light.
The home button works as a back key and you can also assign other features to it. The fingerprint scanner is accurate but, however, the display could light up faster. There is also a face unlock feature that works quite well but I still think that the fingerprint is a faster way to unlock the phone. There is no headset jack but the quality of sound via the supplied adapter is decent. The loudspeaker is placed on the back and the quality of sound is just about average as it lacks depth and punchiness.
HARDWARE and PERFORMANCE
If you consider the price of the phone, the Blackview P6000 ships with very good specs.
The overall image quality is pretty good even if you take pictures on a cloudy day like I did. There is plenty of detail thanks to the 21MP shooter. Obviously, there are some issues with the dynamic range but I’m happy with the results since this is a budget phone after all.
The portrait shots are also surprisingly good in comparison to most of the budget Chinese phones I’ve recently tested.
The night image quality, however, does not impress as there is a lot of noise and grain.
How do I resolve when Poor Sound Quality is experienced?
There are a number of contributing factors which can affect the audio performance of your device:
The most common cause of poor sound quality is water in the microphone or speaker.
If the handset has been subject to immersion in water then the microphone and speaker may need to dry out to resume normal functionality.
You, or the other person you are speaking with, may be in an area of poor signal. Try moving to a different area.
You may have dirt / debris covering the microphone or speaker. If so, clean your device.
What should I do when experiencing reception / signal issues?
Poor quality of calls:
Please check if the volume of the device is adjusted to an acceptable comfortable level.
When the device is used in areas with poor signal, e.g. near high buildings or in basements, the call quality may be adversely affected.
When this device is used in a high call intensity period, like rush hour, call failure / poor call quality may be caused by network congestion.
If you are in an area of poor reception/signal, you may experience shorter standby time than usual. This is because your device is regularly searching for a better signal and therefore consuming battery.
What do I need to do if “Enter PUK code” is displayed?
Following three consecutive failures to input the correct SIM card PIN code, the PIN code will be blocked and the request for the PUK code will be displayed.
Before attempting to input the PUK code ensure that you have the correct code provided by Network provider.
After ten unsuccessful attempts to input the PUK code, the SIM card will be permanently disabled.
Once the SIM card is permanently disabled you will need to contact relevant body to purchase a New SIM card.
What do I do if “Emergency Call only” is displayed on your Home screen?
This will be displayed if there are issues with the SIM card or problem with your cellular account.
Additionally if you are in an area not covered by your Network Provider.
What should I do if the device displays message "No Service"?
This may be displayed if you are in an area that is not covered by your Network provider, or if you are in an area of poor reception for example an enclosed area.
No service will be displayed on your screen until the situation is resolved by relocating to an area of service.
If this problem persists when in a known good service location, contact your Network provider to ensure there are no restrictions on service or your SIM services.
What does the Message "Insert SIM card" indicate?
This message may appear if your device does not recognize the SIM card.
Make sure that you have correctly inserted the SIM card.
Clean the metal side of the SIM card with a dry cloth.
If the SIM card still not being recognized, please contact your Network provider to ensure the SIM card has been enabled or to check if they have any further instructions.
How can I back up data to an external storage device?
To transfer files from your phone to PC / Mac:
Connect your Blackview Phone to your PC / Mac via USB cable.
On the Blackview Phone notification tray, tap the "Use USB to" notification and select "Transfer files".
The Blackview Phone will now be visible on the PC / Mac.
Open the Blackview Phone via the PC / Mac to explore files.
Copy over anything to the PC / Mac that you wish to back-up.
Note: Alternatively, backup to a MicroSD™ card by inserting one into the Blackview Phone. Copy files to it using your chosen file explorer app.
How do I Clear the cache and browser History?
Launch the Chrome app.
Click the menu icon in the top right (three vertical dots).
Scroll down and tap "Clear browsing data".
Select the time range you wish to clear.
Select what data (Browsing history, Cookies and site data, and Cached images and files) you wish to clear.
Under "Advanced" you have further options to clear saved passwords, form data, and more.
Click "Clear data".
How can I transfer data to another device via Bluetooth (for example an image)?
Locate the file that you wish to share on your device.
If you only want to send one item, for example a photograph, tap on it and then tap the share icon.
Select the Bluetooth sharing option.
Choose which Bluetooth enabled device to send the file to.
Accept the incoming file on the target device.
How do I customize the Notifications, sound and vibration for incoming messages?
Launch the Messaging app.
Within the app bring up the Settings menu
Scroll down to "Notifications" section.
Select the "Sound" menu to select the desired sound.
Next to "Vibrate" tick to enable/disable vibration for incoming messages.
How do I know there is a device update available, how do I check I have the latest SW?
NOTE: When a new Firmware/Software is available, notifications are sent out to all Blackview Phone devices.
On the home screen an Icon will show in the notification panel. When the icon appears you can drag down the notification panel and select.
To manually update:
Go to settings menu.
Scroll to the bottom of this screen, and select "System".
Select the "System update" option.
Select the "Check for update" option and follow the prompts.
Note: The device should be fully charged prior to updating the system.
How do I perform a reset, when my screen is blank?
To reset the device, keep the power button pressed for about 10 seconds / until vibration is felt.
Device will now power on, perform and charge as expected.
How do I improve battery life?
Applications (such as Skype™) that frequently utilize VOIP (Voice over IP) and other data via Wi-Fi or 3G/4G can significantly reduce battery life. Disable any such applications when maximum battery life is desired.
Set the display sleep to a start after 15 seconds of inactivity. To change the display timeout settings: from the home screen tap > Settings > Display >Advanced > Sleep > select a shorter delay time.
Reduce the intensity of the display. To change the display’s brightness, Settings > Display > Brightness level > drag the control bar to the left for a dimmer display or right for a brighter display.
Disable Wi-Fi when not using it. To disable Wi-Fi: Settings > Network and Internet > tap the on/off button so it is no longer green.
Make sure your phone has the latest software updates. To check for the latest updates: Settings > System > System update > Check for update.
Stop any unnecessary programs you installed from running in the background by: Settings > Apps and notifications > See all apps > select and disable any apps that you do not need.
Note! Only stop applications that you have installed. Stopping other pre-installed applications may result in poor phone performance or errors.
How do I find my IMEI Number?
This can be found on the outside of the box that you received your phone in and makes up part of the Approval’s label.
If the box is not available, type into the device via the keyboard "*#06#" a pop up box will show the device IMEI.
Select Settings and then About phone and then Status, you will now have the option to select IMEI information.
What do the different colours of the LED indicate?
Flashing Red – Low Battery warning less than 15% Battery level.
Solid Red – Battery level is between 1% and 99% and currently being charged.
Solid Green – Battery is fully charged.
Flashing Blue – Indicates a notification has been received (Message unread, missed call, email etc).
Mobile Phone outstanding, excellent quality, beautifully finished, fast and performing. Battery life really high. Nothing to envy other most popular brands. Value for money really interesting. Phone weight a little high but is the price you pay for a battery so powerful and lasting. For those looking for a mobile work is really perfect. Serious seller, accurate description. Received in advance than forecast.
I bought this phone because I need a back-up phone for another SIM card. I only use this phone to make phone call and send text message. It is satisfactory. The speaker is loud and clear. The keyboard is responsive and with nice feedback.