Samsung a51 4g LTE to back 2G or 3G and didn't respond
Anyone can help me please ..serious issue My Samsung 51 have a network problem,
lacking mobile data. When i was using mobile data it came 4g LTE to back 2G or 3G and didn't respond the data And sometimes when i turned off the data, after while when i back on the data there's error shown 2g service . then i went to flight mode after that mobile data much better signal catched the device . I'm very worry , nearly bought the new device.
Using andriod 10