Exact model-family answer directory
Samsung Galaxy S25 troubleshooting
Samsung Galaxy S25 (SM-S931*): the compact one of three; battery and charging; SIMs and storage; screen and glass, and a fix for each symptom below.
- The compact one of threeThe Galaxy S25 is 6.2 inches, 162 g and aluminum-framed, against the S25+ at 6.7 inches and the S25 Ultra at 6.9 with a titanium frame. The smaller body shows heat and battery drain sooner.
Battery drainNot chargingOverheatingWi-FiNo serviceBluetooth
Samsung · app crashing
Samsung Galaxy S25 app keeps crashing, freezing or will not open
Open record Samsung · battery drainSamsung Galaxy S25 battery drains too quickly
Open record Samsung · biometric unlockSamsung Galaxy S25 biometric unlock is not working
Open record Samsung · callsSamsung Galaxy S25 cannot make calls or send messages
Open record Samsung · overheatingSamsung Galaxy S25 gets hot or shows a temperature warning
Open record Samsung · GPSSamsung Galaxy S25 GPS or location is inaccurate
Open record Samsung · microphoneSamsung Galaxy S25 microphone is quiet, muffled or not working
Open record Samsung · not syncingSamsung Galaxy S25 photos, contacts, messages or account data will not sync
Open record Samsung · update failedSamsung Galaxy S25 software update will not download or install
Open record Samsung · speakerSamsung Galaxy S25 speaker is quiet, distorted or has no sound
Open record Samsung · storage fullSamsung Galaxy S25 storage is full or the device cannot install updates
Open record Samsung · not chargingSamsung Galaxy S25 will not charge or charges slowly
Open record Samsung · Wi-FiSamsung Galaxy S25 will not connect to Wi-Fi or keeps disconnecting
Open record Samsung · BluetoothSamsung Galaxy S25 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-S931*
Published specification
What is true of this model and changes how you fix it
- Battery and chargingA 4,000 mAh battery with 25 W wired and 15 W wireless charging; Qi2 Ready, so a magnetic case is needed for the faster wireless speed.
- SIMs and storageOne nano-SIM plus an eSIM, in 128, 256 and 512 GB with 12 GB of RAM and no memory card slot.
- Screen and glass6.2-inch Dynamic AMOLED 2X, 1 to 120 Hz, Gorilla Glass Victus 2 on both sides, IP68 rated.
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. Wikipedia — Samsung Galaxy S25.
Exact questions
Questions that only have an answer for the Samsung Galaxy S25
Is the Galaxy S25 the same as the S25 Ultra for support?+
The software troubleshooting is the same One UI, but battery, charging speed, size and the S Pen differ, so the S25 pages use its own figures.
Which S25 should I buy for battery life?+
The S25+ at 4,900 mAh and the S25 Ultra at 5,000 mAh outlast the S25's 4,000 mAh.