The
specifications and features of Samsung Galaxy A QUANTUM, JS CORE (2020), A21S
says a lot of how incredibly awesome the device will always be in the hands of
people who desire to live a smarter life in this digital age where everything
is going mobile. The Galaxy A QUANTUM, JS CORE (2020), A21S is one of the
leading smartphone devices out there that makes it possible for users to be
able to do this or that at anywhere or anytime which is exactly what the word
mobile stands for. But from THEUPSPOT we see the Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S like other devices out there that isn’t 100%
exempted from having issues as time goes on because its mere hardware (body)
well designed with coded instructions to make it usable (spirit and soul).

 

 Note: After trying the Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S quick fixing steps for any of the mentioned
issues below you might want to consider doing a hard or soft reset or our guide on how to flash SamsungGalaxy A QUANTUM, JS CORE (2020), A21S back to its factory state when you purchased it.

 

Below Are Some Issues and Fixing You Can Apply to Your Samsung
Galaxy A QUANTUM, JS CORE (2020), A21S Device:

1.       Camera failure – can’t connect
to camera fixing on Galaxy A QUANTUM, JS CORE (2020), A21S

2.       Unfortunately, YouTube has
stopped working on Samsung Galaxy A QUANTUM, JS CORE (2020), A21S

3.       Wi-Fi connection issue and
fixing on Galaxy A QUANTUM, JS CORE (2020), A21S

4.       Bluetooth connection issue on Galaxy
A QUANTUM, JS CORE (2020), A21S

5.       SIM Issue on Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S

6.       Performance Issues on Samsung Galaxy
A QUANTUM, JS CORE (2020), A21S

7.       SD Card not detected on Samsung
Galaxy A QUANTUM, JS CORE (2020), A21S

8.       Battery drains fast and charge
slowing on Samsung Galaxy A QUANTUM, JS CORE (2020), A21S

9.       Overheating Issue on Samsung Galaxy
A QUANTUM, JS CORE (2020), A21S

10.   Touchscreen not responding on Samsung Galaxy
A QUANTUM, JS CORE (2020), A21S

11.   Earpiece Sounds Robotic on Galaxy
A QUANTUM, JS CORE (2020), A21S

#1 – Camera failure – can’t connect to camera

A
camera is one of the major thing users check for in Samsung smartphones or
other related devices when they want to buy a new or even a used phone.
Recently, we’ve seen a tremendous upgrade in the cameras of newly released Samsung
(Galaxy A QUANTUM, JS CORE (2020), A21S) phones and devices from other
manufacturers which simply means the camera is one of the most valuable assets
of Samsung Galaxy A QUANTUM, JS CORE (2020), A21S and other devices.

 

However,
as an experienced smartphone technician who has fixed several Samsung devices
ranging from software to hardware issues. I have come across several cases of
camera malfunction both in Samsung (Galaxy A QUANTUM, JS CORE (2020), A21S) and
other leading brands devices which is why I have written this post on how to
troubleshoot and fix this issue in six different ways.

 

So, if
you are having issues with your new or old Samsung Galaxy A QUANTUM, JS CORE
(2020), A21S smartphone camera? You’re unable to snap pictures, the app shows
failure or error notice? Here are six possible ways to that might fix the
camera issue of Samsung Galaxy A QUANTUM, JS CORE (2020), A21S device. But
please do not disassemble your Galaxy A QUANTUM, JS CORE (2020), A21S phone if
it is still under the warranty period else you won’t be eligible to request a
replacement or free fixing that the warranty covers.

 

·         Unmount the SD Card inserted in
your Galaxy A QUANTUM, JS CORE (2020), A21S or Replace it with a new one.

·         Check the Camera module of your
Galaxy A QUANTUM, JS CORE (2020), A21S and make sure it I not loose. Tighten up
loosed screws if possible.

·         Tap the Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S camera like two to three times.

·         Perform a factory reset to see
if it will fix your Samsung Galaxy A QUANTUM, JS CORE (2020), A21S device.

·         Change the Galaxy A QUANTUM, JS
CORE (2020), A21S Camera Module. You can place an order for one from any of the
leading online stores like Amazon or eBay.

·         Still can’t fix the Galaxy A
QUANTUM, JS CORE (2020), A21S camera failure with the previous tips. Then, send
your Samsung Galaxy A QUANTUM, JS CORE (2020), A21S back to the supplier for
repair if it is still under warranty. Else, look for a smartphone technician.

 

#2 – Unfortunately, YouTube has stopped working on Samsung
Galaxy A QUANTUM, JS CORE (2020), A21S

There
is nothing or little you can do when your Samsung Galaxy A QUANTUM, JS CORE
(2020), A21S becomes unresponsive due to error which shows a notice that
“Unfortunately, YouTube has stopped working” which rarely occurs in Samsung
devices. You probably won’t be able to run and or use any other application.
When you try to launch or use other application in that Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S it will pop up a screen that shows you the errors
notice with no other option other than to press OK to dismiss that notice.

·         
Reboot your Galaxy A QUANTUM, JS CORE (2020), A21S and quickly
navigate to.

·         
Settings >> Apps >> All Programs >> YouTube

·         
Re-Enable the app and that should solve your Galaxy A QUANTUM, JS
CORE (2020), A21S problem.

·         
Or try uninstalling, reinstalling and updated the YouTube
application you have installed.

 

#3 – Wi-Fi connection issue and fixing on Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S

·         Go to your Galaxy A QUANTUM, JS
CORE (2020), A21S settings and press the connection option.

·         Next, press the Wi-Fi option.

·         Now, your Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S will auto scan for nearby networks to join and
will show them on the screen.

·         After the first scan ends, tap
for a few seconds on the Wi-Fi you want to connect and press the forget option.

·         Again, tap that same network
and input the authentication details and save it. Although, open networks don’t
require any password for access.

·         Be sure to confirm that your
connection from your network service provider is OK and your router, if that is
what you are using, is working perfectly.

 

#4 – Bluetooth connection issue and fixing on Samsung Galaxy
A QUANTUM, JS CORE (2020), A21S

·         Put off your Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S and reboot it again to see if that will
automatically solve the problem.

·         Clear the list of devices
already added and re-add the device you want to pair with.

·         Check to be sure that your Galaxy
A QUANTUM, JS CORE (2020), A21S Bluetooth is set to discoverable. So, other
devices can see it and be able to connect to it.

·         Check your Galaxy A QUANTUM, JS
CORE (2020), A21S power section to make sure it wasn’t set to power saving
mode.

·         Try clearing the Bluetooth data
and or cache to see if it will fix it.

·         Reboot your Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S again.

·         If all the other options still
do not fix it. Then, you might need to try a factory reset.

 

#5 – SIM Issue and fixing on Samsung Galaxy A QUANTUM, JS
CORE (2020), A21S

• Confirm that your SIM is working
  properly by trying it on another device.
• Check to see that you have inserted
  SIM to your Galaxy A QUANTUM, JS CORE (2020), A21S correctly.
• Check see that your SIM tray is not
  damaged.
• If the SIM is too old, then go for a
  SIM swap before you use it in your Samsung Galaxy A QUANTUM, JS CORE
  (2020), A21S new device.
• Make sure there are no compatibility
  issues related to the frequency
• If the problem still persists, hand
  your Galaxy A QUANTUM, JS CORE (2020), A21S over to a technician for a
  proper check.

 

#6 – Performance Issues and fixing on Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S

• Check to see if your Galaxy A QUANTUM,
  JS CORE (2020), A21S storage filled. It comes with large ROM by default
  and if you fill it completely, of course, it will put some burden on the
  processor and on the RAM which could lead to this problem
• Check to see if there is a virus
  piloting the issue.
• Update all apps running on your Samsung
  Galaxy A QUANTUM, JS CORE (2020), A21S
• Avoid using your Galaxy A QUANTUM, JS
  CORE (2020), A21S while charging
• Remove all the third-party apps you
  installed

 

#7 – SD Card not detected and fixing on Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S

• First of all, make sure your card is
  under 32GB. In case you too are facing them, the methods below can help
  you to keep up the pace. GB which is the upper limit on using an SD card
  on this device.
• Confirm that your microSD card is
  compatible with the device
• Take off and reinsert the SD card
  again after restarting the device
• Try to format the SD card with a
  system and reinsert it in your Galaxy A QUANTUM, JS CORE (2020), A21S.
• Try that Card on another device and
  try other SD card in your Samsung Galaxy A QUANTUM, JS CORE (2020), A21S
  to be able to isolate the issue.
• Confirm that your SD card slot is not
  damaged.

 

#8 – Battery drains fast and charge slowing and fixing on Samsung
Galaxy A QUANTUM, JS CORE (2020), A21S

• Make sure your Samsung Galaxy A
  QUANTUM, JS CORE (2020), A21S has all the latest updates installed.
• Sometimes it could be due to the
  memory card also. Remove it and see if the problem is gone
• Make sure you using the authorized
  charger or similar charger to the one that came with your Galaxy A
  QUANTUM, JS CORE (2020), A21S.
• Turn off the unwanted notifications as
  they always consume extra battery
• Put off Wi-Fi, Bluetooth when they are
  not in use
• Ensure that the battery is not
  physically damaged
• Ensure there’s not any lint, dust, or
  debris in the charging port.
• Impose a strict upper limit on the
  data and screen issue
• Make sure you using the brightness
  level as per the recommended level
• Keep the display off when not in use.
• Ensure you charge your Galaxy A
  QUANTUM, JS CORE (2020), A21S battery only after consuming all the juice
  in it
• Take off your Galaxy A QUANTUM, JS
  CORE (2020), A21S case to ensure a better charger connection.
• Check to see if all apps are
  up-to-date. If not, update them immediately
• If your Samsung Galaxy A QUANTUM, JS
  CORE (2020), A21S battery is draining too quickly, the most common factor
  is the installation of third-party apps. As already mentioned, you need to
  disable it by taking your phone into the safe mode.
• Ensure that apps and features are
  closed when not in use

 

#9 – Overheating Issue and fixing on Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S

• Remove the apps which you downloaded
  just before when the issue was noticed.
• Avoid multitasking if the tasks are
  bulky and time-consuming
• Don’t use any other charger than the
  one which comes with your Galaxy A QUANTUM, JS CORE (2020), A21S
• Keep the brightness under control.
  Light emitting screen also emits heat in the equal amount
• Ensure there is no extra burden on RAM
  due to any reason and the processor. They release a lot of heat while
  performing their task
• Ensure all the accessories you connect
  with your device and genuine and authorized
• Clear app data and or cache and see if
  the problem is fixed.
• Make sure the output of the power bank
  is as per the device needs if you use the same
• Update your Galaxy A QUANTUM, JS CORE
  (2020), A21S to the latest version if you haven’t
• Ensure the problem is not there due to
  the carry case you installed on your phone

 

#10 – Touchscreen not responding and fixing on Samsung Galaxy
A QUANTUM, JS CORE (2020), A21S

• First of all, try a reboot of your Samsung
  Galaxy A QUANTUM, JS CORE (2020), A21S
• Download and install any pending
  update on your Galaxy A QUANTUM, JS CORE (2020), A21S.
• There could be a software problem in
  some cases and the touch screen is unable to perform its tasks
• Screen issues are often mistaken with
  other issues. so, you need to be careful about this
• See if the battery is having some
  juice in it when you try to turn your device or and it doesn’t respond
• Ensure you are not wearing mittens or
  gloves while using your device
• Clean the screen and make sure there
  are no oil or dust particles
• Watch closely to see I if the screen
  physically damaged
• Ensure there is no liquid damage
  caused to the screen
• Remove the screen protectors and see
  if the issue is gone. Of course, the problem could be due to this reason
  also
• Last option is to perform a factory
  restore.
• If the issue is still there, you need
  to contact the support

 

#11 – Earpiece Sounds Robotic and fixing on Galaxy A QUANTUM,
JS CORE (2020), A21S

• Try another good earpiece for doing a
  phone call.
• When on a phone call press the volume
  up button to make the sound louder.
• This will help to make the other
  person more audible and will not remove the robotic tone of hands-free.

 

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