VoLTE Check: 4G/5G LTE & IMS

Check VoLTE in one tap: see if your phone, SIM and carrier support VoLTE (4G LTE calling with HD voice), and if VoLTE is not working, find out exactly what to fix.

VoLTE Check runs a full check of your phone, SIM, network and settings. When something blocks VoLTE, it says so plainly, like "Airplane mode is on", "Not on 4G right now" or "VoLTE is turned off", and one button opens the right setting. Change it, come back, and it shows as fixed.

✅ Full VoLTE check
• Does my phone support VoLTE?
• Does my carrier allow VoLTE on this SIM? Each SIM checked on dual-SIM phones
• Is VoLTE enabled in settings?
• Is the phone on 4G LTE or 5G right now?
• Airplane mode, mobile data, roaming and SIM lock checked too

🛠️ Enable VoLTE and fix what's wrong
• Each VoLTE problem in plain words, the most important first
• One tap to the right settings screen
• How to enable VoLTE on Samsung, Xiaomi, Redmi, POCO, OnePlus, Realme, Vivo, Oppo and Motorola
• Opens the hidden phone info screen (*#*#4636#*#*) on phones that have it

📞 Did your last call use VoLTE?
While each call is on, VoLTE Check notes the network it used: VoLTE, VoNR (5G calling), Wi-Fi calling (VoWiFi) or 2G/3G. Rate your calls and see which networks sound best. If calls that used VoLTE start dropping to 2G/3G, you get one notification, at most once a week, and you can turn it off.

📱 Device and SIM info
Android version and security patch, build number, codename, architecture, SIM operator and code, eSIM support, signal strength in dBm, network type (5G NR, 4G LTE, 3G), roaming and service state. Share a full VoLTE report with your carrier in one tap.

📡 Looking for "Force LTE only" or "4G LTE only mode"?
Android does not let a normal app lock your phone to a network mode, not this app and not the apps that say they do. VoLTE Check opens the network mode settings where that choice lives and tells you which options are safe. On some phones, changing the preferred network type on the hidden screen has left the radio stuck until a reset. We tell you that first.

📶 What is VoLTE?
VoLTE (Voice over LTE) carries calls over 4G LTE instead of older 2G/3G networks: faster call setup, HD voice, and mobile data that keeps working during calls.

❓ VoLTE questions

How do I enable VoLTE on Android?
Open your mobile network settings and turn on VoLTE, which may be called VoLTE calls, 4G calling, HD calls or Enhanced 4G LTE mode. VoLTE Check opens the right screen for you.

VoLTE option not showing?
Usually your carrier has not enabled VoLTE for your SIM, or your phone's software does not include it. VoLTE Check shows which of the two it is.

Phone shows 4G, but calls drop to 3G?
Data can run on 4G LTE while calls fall back to 2G/3G when VoLTE is not active. Check whether your carrier allows VoLTE on your SIM.

Is my SIM VoLTE enabled?
VoLTE Check reads your carrier's VoLTE setting for each SIM, including dual SIM, and says whether it is allowed.

Do VoLTE calls use mobile data?
On most plans, VoLTE calls count as calls, not data. Your carrier's plan details are the final word.

What is VoNR (5G calling)?
Voice over New Radio, the 5G version of VoLTE. VoLTE Check shows when a call used it.

What is Wi-Fi calling (VoWiFi)?
Calls over Wi-Fi when the mobile signal is weak. VoLTE Check tells you when a call went over Wi-Fi.

🌍 Works with carriers worldwide
Jio VoLTE, Airtel VoLTE, Vi and BSNL in India, and VoLTE carriers around the world, on most Android phones from Android 6.

🔒 Private by design
No account and no location permission. Every check runs on your phone and nothing is uploaded. Phone access is used only to read your carrier's VoLTE setting, your SIM slots and the network a call used. It never reads your phone number, contacts or messages.

ℹ️ Honest about limits
On most phones Android does not let apps read live IMS registration. Where it won't say, VoLTE Check says "Not sure" instead of guessing. VoLTE also depends on your carrier, your SIM plan and your region.

Recent changes:
New in 3.2.1
• Clearer answers: a simple VoLTE checklist and short, plain results
• Your last call now shows whether VoLTE works on your phone
• Asks for Phone access only where it helps, and says why
• The full check always shows your result, even if an ad can't play
• Fixes, and simpler wording in every language

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