Exact model-family answer directory
Samsung Galaxy Note20 family troubleshooting
Samsung Galaxy Note20 family (SM-N986* (Note20 Ultra), SM-N980/SM-N981* (Note20)): swollen batteries; a dead charge port is often the battery; software support has run out, and a fix for each symptom below.
- Swollen batteriesSamsung Community threads into 2025 still describe Note20 Ultra batteries swelling until the back panel lifts. Stop charging it, keep it from pressure and book a battery replacement; Samsung-authorized repair was quoted at around $80 in owners' posts.
Samsung Galaxy Note20 family battery drains too quickly
Open record Samsung · overheatingSamsung Galaxy Note20 family gets hot or shows a temperature warning
Open record Samsung · touchscreenSamsung Galaxy Note20 family screen or touch input is not working correctly
Open record Samsung · not chargingSamsung Galaxy Note20 family will not charge or charges slowly
Open record Samsung · Wi-FiSamsung Galaxy Note20 family will not connect to Wi-Fi or keeps disconnecting
Open record Samsung · app crashingSamsung Galaxy Note20 family app keeps crashing, freezing or will not open
Open record Samsung · biometric unlockSamsung Galaxy Note20 family biometric unlock is not working
Open record Samsung · camera blurrySamsung Galaxy Note20 family camera is blurry, shakes or will not focus
Open record Samsung · callsSamsung Galaxy Note20 family cannot make calls or send messages
Open record Samsung · GPSSamsung Galaxy Note20 family GPS or location is inaccurate
Open record Samsung · no serviceSamsung Galaxy Note20 family has no cellular service or data
Open record Samsung · microphoneSamsung Galaxy Note20 family microphone is quiet, muffled or not working
Open record Samsung · notificationsSamsung Galaxy Note20 family notifications are delayed or missing
Open record Samsung · not syncingSamsung Galaxy Note20 family photos, contacts, messages or account data will not sync
Open record Samsung · update failedSamsung Galaxy Note20 family software update will not download or install
Open record Samsung · speakerSamsung Galaxy Note20 family speaker is quiet, distorted or has no sound
Open record Samsung · BluetoothSamsung Galaxy Note20 family will not pair or stay connected over Bluetooth
Open recordConfirm the model first
Which units this covers, and how to tell yours is one of them
- Model numbers and patterns
- SM-N986* (Note20 Ultra), SM-N980/SM-N981* (Note20)
Published specification
What is true of this model and changes how you fix it
- A dead charge port is often the batteryOne iFixit thread had a Note20 Ultra that still would not charge after a new battery and port, so charging faults can sit on the board; test with a known cable and charger first.
- Software support has run outSamsung's update promise for the Note20 Ultra is over, so a phone on old software will not get fixes for bugs found now. Battery and security are the practical reasons to replace it.
Manufacturer support for this product line. Samsung Support — Mobile device support. Official Galaxy model manuals, diagnostics, updates and repair support.
Also read for this model. Samsung Community — Note 20 ultra swollen battery; iFixit — I changed the battery and the USB port and it still does not charge - Note 20 Ultra.
Exact questions
Questions that only have an answer for the Samsung Galaxy Note20 family
Why is the back of my Note20 Ultra popping off?+
A swollen battery. Stop using and charging the phone and have the battery replaced by an authorized repair agent.
Does the Note20 Ultra still get updates?+
Samsung's update promise for it has run out, so you should not expect new fixes.