Razib Mozumdar 
Quick Answer When your Android phone can send texts but won’t make calls, the problem typically stems from network settings, carrier issues, or specific call-related configurations rather than a complete connectivity failure. Start by checking airplane mode, call barring settings, and VoLTE/Wi-Fi calling options. If basic toggles don’t work, resetting network settings or updating your … Read more
Quick Answer Your iPhone displays “No SIM” or “Invalid SIM” when it cannot detect or recognize the SIM card inserted in the device. This usually happens due to a loose SIM card, dirt or damage on the SIM card or tray, a carrier lock issue, software glitches, or hardware problems with the SIM reader. Most … Read more
Quick Answer Your Android phone displays “Emergency Calls Only” when it cannot connect to your mobile carrier’s network for regular calls and data, though it can still reach emergency services. This typically happens due to network coverage issues, SIM card problems, carrier account issues, or incorrect network settings. The message means your phone recognizes a … Read more
Quick Answer Your iPhone displays “SOS” or “SOS Only” when it has lost connection to your regular cellular network but can still access emergency services through other available carrier networks. This typically happens when you’re in an area with poor coverage from your carrier, when there’s a network outage, when your account has billing issues, … Read more
Quick Answer Your Android phone displays a “No SIM Card” error when it cannot detect or read the SIM card installed in the device. This usually happens due to a loose SIM card, dirt or debris in the SIM tray, a damaged SIM card, software glitches, or hardware problems with the SIM card reader. Most … Read more
Quick Answer Your Android screen usually won’t rotate because auto-rotate is turned off, the app or home screen you’re viewing doesn’t support landscape, or a sensor/control toggle (like “Sensors Off” in Developer Options) is blocking motion sensors. Start by enabling auto-rotate from Quick Settings or Settings > Display, test rotation in an app that supports … Read more
Quick Answer You can turn off emergency alerts on Android from Settings > Safety & emergency > Wireless emergency alerts (wording varies). On most phones, you can toggle off all alerts or just specific types like AMBER alerts, severe threats, test alerts, vibrations, and reminders. Some alerts are mandatory in certain countries (for example, Presidential … Read more
Quick Answer Open Settings on your Android phone and go to Storage (on Samsung: Settings > Battery and device care > Storage) to see total space, what’s used, and which categories—apps, photos, videos, audio, and “Other”—are taking it. Tap a category to review files, or use “Free up space”/“Clean” to safely remove junk. For more … Read more
Quick Answer The fastest way to find your Android phone’s IMEI is to open the Phone app and dial *#06# — the IMEI (and IMEI2 for dual‑SIM) appears instantly on screen. You can also go to Settings > About phone (or Settings > About device) to see and copy it. If you don’t have the … Read more
Quick Answer On most Android phones, go to Settings > System > Reset options (or General management on Samsung) and choose Reset Wi‑Fi, mobile & Bluetooth or Reset network settings. This removes saved Wi‑Fi networks and passwords, paired Bluetooth devices, and cellular settings (including APNs), so you’ll need to reconnect and re‑pair afterward. Your photos, … Read more