very poor signal strength. unable to make calls and video calls....browsing also

[UdhayMVR]

Very poor signal reception. Unable to make calls and video calls...browsing also very slow like 2g. WhatsApp image sending bit very late....kindly give me a solution.

[rajkm008]

which sim card you r using? and what's the ur phone model? u should have mentioned here all details..

[UdhayMVR]

samsung m21...Jio sim for data

[rajkm008]

ok.keep ur jio sim at no 1 slot, and go to the sim card manager and and select 4g or lte only on network mode & also go to the access point settings nd select reset to defaults

[Sarvesh01]

is it same with other network providers too?

[cs-member13]

Dear Samsung Member,

Greetings from Samsung Customer Support!

To resolve "network" issue please follow below given steps:

1) Reset Network Settings:- Go to apps screen >Settings >General Management >Reset >Reset Network Setting.

2) Reset the device: settings >General Management > Tap on Reset.
Note: Before reset make sure to have back up of the data via Smart Switch Mobile App
(Install Smart Switch App > Open > Click on Memory Card Icon >Back Up option > Choose the data for Back up > Back Up).

If the issue still persist, kindly register your concern in Samsung Members app (Samsung Members app > Get help > Feedback > Error report/ask question).
Note: Please send device log files within 15 minutes of issue occurrence along with the exact issue details.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support