samsung galaxy a10s wifi not working solution
The Samsung Galaxy A10s is one of the most widely used Samsung models, but it also suffers from a common hardware problem:
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Samsung A10S WiFi and bluetooth Not Working Solution broblem |
WiFi and Bluetooth not turning ON, or turning ON but not connecting. Many users think it is a software glitch, but technicians know the real cause is often hardware-related—specifically, the WiFi/BT filter (RF filter) located on the motherboard.
π§ Samsung A10s WiFi Not Working Solution – Fixing WiFi & Bluetooth Filter Problem
This guide explains why this issue happens, how to diagnose it, and how technicians fix it using controlled heating or complete filter replacement.π Why WiFi and Bluetooth Stop Working on the Samsung A10s
The WiFi and Bluetooth connection in the Samsung A10s depends on a small component called the WiFi Filter (also called: RF filter, network filter, or “Fez”).
This filter controls the signal path between the mainboard and the WiFi/Bluetooth module.- Falls
- Moisture
- Overheating
- Weak solder joints
- WiFi won’t turn ON
- Bletooth stays OFF
- WiFi turns ON but doesn’t detect networks
- WiFi disconnects randomly
- Hotspot doesn’t work
π ️ How Technicians Fix the Samsung A10s WiFi Filter Problem
✔ Method 1: Reflowing (Heating) the WiFi Filter – Temperature 280°C
In many cases, gently heating the WiFi filter solves the issue because the heat reconnects the broken internal tracks.
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The Shocking Reason Your Samsung A10S WiFi Is Not Working |
Professional steps:
- Remove motherboard from device.
- Apply flux around the WiFi filter.
- Use a hot air station at 280°C (moderate airflow).
- Heat the filter for a few seconds only—do not overheat.
- Clean and test the phone.
✔ Method 2: Full Filter Replacement (If Heating Fails)
Sometimes the filter is badly damaged and heating won’t fix it.In this case, replacement is the only solution:
- Remove the defective filter.
- Clean all pads carefully.
- Install a new WiFi/RF filter.
- Re-solder it using hot air.
- Re-test the device.
⚠️ Warning – Important Before Attempting This Repair
Working on WiFi filters requires skill and proper tools. Incorrect handling may cause:- Overheating the motherboard
- Burning nearby components
- Melting plastic connectors
- Lifting solder pads
- Permanent loss of WiFi and Bluetooth
- Complete motherboard failure
Users without repair experience should not attempt this method.
π₯ Video Demonstration Section
Here you can see repair video showing:
- Full device disassembly
- WiFi filter location
- Heating process
- Before and after WiFi/Bluetooth test
π Suggested SEO Video Description
Title:Samsung A10s WiFi Not Working Fix | WiFi Filter Reflow & Replacement Guide
Description:
This method is for professional technicians only.
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π¦also read
π Trusted External Reference Links
Here are reliable sources for checking hardware details, repair insights, and technical diagrams:- GSMArena – Official Samsung A10s specifications
- Samsung Support – Software updates and troubleshooting
- HardReset.info – Hardware layouts, technical repair tips
- iFixit – Board teardown guides & repair tutorials
✅ Conclusion
The WiFi and Bluetooth issue on the Samsung Galaxy A10s is usually caused by a faulty WiFi Filter where internal signal tracks get disconnected. Heating the filter at 280°C often reconnects the missing lines, restoring WiFi and Bluetooth functionality. If heating does not work, a complete replacement of the filter solves the issue.

