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If Wi-Fi, Bluetooth, or mobile data stopped working after an Android update, start by restarting your phone, then test each connection separately. The timing does not by itself prove the update caused the problem: the fault could be with the phone, router, mobile network, or Bluetooth accessory. These steps follow Google Android Help’s internet troubleshooting and its Bluetooth guidance; menu names may differ by phone.
First, find out which connection is failing
- Restart your phone.
- Turn Wi-Fi off and try loading a webpage or app over mobile data.
- Turn mobile data off and try the same task over Wi-Fi.
If only one connection fails, focus on its steps below. If both Wi-Fi and mobile data fail, check the phone’s connection settings and try another location or network where possible. Google’s general troubleshooting guidance does not establish that an Android update caused a particular failure.
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Fix mobile data problems
- Open Settings and check that Mobile data or Cellular data is on. If it is already on, switch it off and back on.
- Turn Wi-Fi off so it cannot mask whether cellular service is working. Look for a mobile-data indicator beside the signal bars.
- Turn airplane mode on, wait 10 seconds, then turn it off.
- If the phone shows no signal, try again in another location. If mobile data still does not work, contact your carrier.
Google’s mobile-data troubleshooting steps recommend checking the data setting and signal. A weak or absent signal in one place may point to coverage rather than a phone setting.
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Fix Wi-Fi problems
- In Settings, confirm Wi-Fi is on and check whether the phone shows that it is connected.
- If the signal is weak, move closer to the router and try again.
- If other devices also cannot use the home network, restart the router according to its manual. Google’s common sequence is to unplug it, wait 30 seconds, reconnect it, and allow it to come back online.
- If the phone connects to Wi-Fi but cannot access the internet, use Android’s Internet troubleshooting steps or ask the network host or internet service provider for help.
On supported phones, open the Internet panel and use its reset option to refresh the connection. Google warns that resetting the internet connection during a phone or video call ends that call. You can also forget a saved Wi-Fi network and join it again; see Google’s instructions for connecting to Wi-Fi. Some steps on that page are available only on Android 12 and later.
#1 Best Overall
Samsung Galaxy A16 4G LTE (128GB + 4GB) International Model SM-A165F/DS Factory Unlocked, 6.7", Dual SIM, 50MP Triple Camera (Case Bundle), Black
- Please note, this device does not support E-SIM; This 4G model is compatible with all GSM networks worldwide outside of the U.S. In the US, ONLY compatible with T-Mobile and their MVNO's (Metro and Standup). It will NOT work with other CDMA carriers, and it is also not compatible with their MVNO (Visible, Xfinity Mobile, US Mobile, Cricket Wireless, etc).
- Compatibility with certain third-party devices and accessibility accessories, including some hearing aids, may vary depending on manufacturer support, Bluetooth protocols, software compatibility, and regional firmware limitations. For additional hearing aid compatibility information, please refer to Samsung’s official support documentation.
- Camera: 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 2 MP, f/2.4, (macro). Battery: 5000 mAh, non-removable | A power adapter is NOT included.
Fix Bluetooth connection or audio problems
- Turn Bluetooth off and back on. Confirm that Bluetooth is enabled on both the phone and the accessory.
- Check whether the accessory is paired with the phone and shows as connected. Restart both devices, then try connecting again.
- For a car or other accessory, check its saved-device settings. If music does not play, make sure Media audio is enabled; for calls, check Phone audio.
- If the phone pairs but the feature you need still does not work, consult the accessory or vehicle manual. Not all cars support Bluetooth music or calls.
Google lists pairing, connection status, and audio settings as separate checks in its Bluetooth troubleshooting guide. A successful pairing does not necessarily mean the accessory supports every audio function.
Quick Recap
Bestseller No. 1
Bestseller No. 3
Best Value
Samsung Galaxy A16 5G 128GB Cell Phone, Unlocked Android Smartphone, Large AMOLED Display, Durable Design, Super Fast Charging, Expandable Storage, US Version, 2025, Blue Black (Renewed)
- Charger NOT Included, 6.7" Super AMOLED FHD+, 90Hz Refresh Rate, 385 ppi, 800 nits (HBM), 1080x2340px, 5000mAh Battery
- 128GB, 4GB RAM, microSDXC, Exynos 1330 (5nm), Octa-Core, Mali-G68 MP2 or Mali-G57 MC2 GPU
- Rear Camera: 50MP, f/1.8 (wide) + 5MP, f/2.2 (ultrawide) + 2MP, f/2.4 (macro), LED flash, panorama, HDR; Front Camera: 13MP, f/2.0, Android 14, up to 6 major Android upgrades, One UI 6.1
- 3G: HSDPA 850/900/1700(AWS)/1900/2100; 4G LTE: 1/2/3/4/5/7/12/13/14/20/25/26/28/29/30/38/39/40/41/48/66/71, 5G: 2/5/25/41/66/71/77/78 SA/NSA/Sub6/mmWave - Nano-SIM + eSIM
- US Model – Global Connectivity – Compatible with Most GSM Carriers like T-Mobile, AT&T, MetroPCS, etc. Will Also work with CDMA Carriers Such as Verizon, Straight Talk.
Rank #4
Sale
Samsung Galaxy A17 5G Smart Phone 128GB, US 1 Yr Manufacturer Warranty Blue
- YOUR CONTENT, SUPER SMOOTH: The ultra-clear 6.7" FHD+ Super AMOLED display of Galaxy A17 5G helps bring your content to life, whether you're scrolling through recipes or video chatting with loved ones.¹
- LIVE FAST. CHARGE FASTER: Focus more on the moment and less on your battery percentage with Galaxy A17 5G. Super Fast Charging powers up your battery so you can get back to life sooner.²
- MEMORIES MADE PICTURE PERFECT: Capture every angle in stunning clarity, from wide family photos to close-ups of friends, with the triple-lens camera on Galaxy A17 5G.
- NEED MORE STORAGE? WE HAVE YOU COVERED: With an improved 2TB of expandable storage, Galaxy A17 5G makes it easy to keep cherished photos, videos and important files readily accessible whenever you need them.³
- BUILT TO LAST: With an improved IP54 rating, Galaxy A17 5G is even more durable than before.⁴ It’s built to resist splashes and dust and comes with a stronger yet slimmer Gorilla Glass Victus front and Glass Fiber Reinforced Polymer back.
Rank #3
Tracfone Motorola Moto G 2025, 64GB, Saphire Blue (Locked to
- Carrier: This phone is locked to Tracfone, which means this device can only be used on the Tracfone wireless network. Tracfone plan required, activating is easy, just 3 steps.
- DISPLAY: Immersive viewing on a 6.7-inch super-bright 120Hz display with powerful stereo speakers and Bass Boost for cinematic entertainment.
- CAMERA SYSTEM: Advanced 50MP Quad Pixel camera captures sharp, detailed photos and videos in any lighting condition
- PERFORMANCE: Lightning-fast 5G connectivity paired with a powerful processor and RAM Boost for smooth multitasking.
- BATTERY LIFE: Long-lasting 5000mAh battery with TurboPower charging technology delivers hours of power in minutes.
Rank #2
Sale
Samsung Galaxy A17 5G Smart Phone 128GB US 1 Yr Manufacturer Warranty Black
- YOUR CONTENT, SUPER SMOOTH: The ultra-clear 6.7" FHD+ Super AMOLED display of Galaxy A17 5G helps bring your content to life, whether you're scrolling through recipes or video chatting with loved ones.¹
- LIVE FAST. CHARGE FASTER: Focus more on the moment and less on your battery percentage with Galaxy A17 5G. Super Fast Charging powers up your battery so you can get back to life sooner.²
- MEMORIES MADE PICTURE PERFECT: Capture every angle in stunning clarity, from wide family photos to close-ups of friends, with the triple-lens camera on Galaxy A17 5G.
- NEED MORE STORAGE? WE HAVE YOU COVERED: With an improved 2TB of expandable storage, Galaxy A17 5G makes it easy to keep cherished photos, videos and important files readily accessible whenever you need them.³
- BUILT TO LAST: With an improved IP54 rating, Galaxy A17 5G is even more durable than before.⁴ It’s built to resist splashes and dust and comes with a stronger yet slimmer Gorilla Glass Victus front and Glass Fiber Reinforced Polymer back.
When to contact a provider or manufacturer
- Mobile data still fails: contact your mobile carrier, particularly if the phone has no signal in multiple locations.
- Only one Wi-Fi network fails: contact the network host or internet service provider if restarting the router and reconnecting do not help.
- Bluetooth remains unreliable: check the accessory’s instructions and saved-device settings; contact its maker if the issue appears limited to that accessory.
- Settings are missing or the general steps fail: contact your phone manufacturer. Android settings and update schedules vary by device, manufacturer, and carrier, as Google notes in its Android version and update guidance.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
