Uploaded July 2026 | Updated September 2026, 3 weeks ago

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Learn how to check your Wi-Fi connection using the built-in Phone diagnostics tool on the Samsung Galaxy S26 Ultra.
This diagnostic helps verify that your Wi-Fi is working properly and displays useful connection information.

Steps
- Open Settings.
- Tap Device care.
- Under Additional care, tap Diagnostics.
- Tap Phone diagnostics.
- Tap Wi-Fi.
- If needed, tap Test again.
- Review the diagnostic result.

📱 Device: Samsung Galaxy S26 Ultra (SM-S948B/DS, International Version) running Android 16 Baklava with One UI 8.5
✅ Works on Samsung Galaxy S26,S26+,and S26 Ultra

#galaxys26ultra #samsung #samsungtrainer
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