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Original topic:

Diagnosis error

(Topic created on: 3 weeks ago)
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junior2011
Active Level 1
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Galaxy S
S21 ultra can't run the process stops at sim test.

Any solution?
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ngonidzashe
Active Level 6
Galaxy S
Hi Junior2011, If your Samsung Galaxy S21 Ultra is stuck on the SIM test screen and can't complete the setup process, try the following solutions:

1. Restart your phone: Simple reboot might resolve the issue.
2. Remove and reinsert the SIM card: Ensure it's properly seated.
3. Check for software updates: Make sure your phone is running the latest software.
4. Reset network settings: Go to Settings > General Management > Reset > Reset network settings.
5. Perform a factory reset: Go to Settings > General Management > Reset > Factory data reset.
6. Check for SIM card issues: Try a different SIM card or contact your carrier.
7. Clear cache partition: Press and hold Volume down + Power button, then select "Wipe cache partition".
8. Contact Samsung support: If none of the above steps work, visit a Samsung service center or contact their support team.

Remember to back up your data before performing a factory reset. If you're still facing issues, it's possible that there's a hardware problem, and you should contact Samsung support for further assistance.
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