Fix Android Can’t Send Text Messages: 10 Fixes

Few things are more frustrating than typing out an important message and watching it refuse to leave your phone. If your android cannot send text messages, you are not alone — this is one of the most common issues Android users face in 2026, and the good news is that it is almost always fixable without visiting a repair shop. Whether your messages fail to send as SMS, get stuck on “Sending” in Google Messages, or you are dealing with an android cannot send text messages error after switching carriers or updating your phone, this guide walks you through 10 proven fixes that work on Samsung, Google Pixel, Motorola, OnePlus, and every other Android device.

Before we jump in, it helps to know that “can’t send text messages” can mean several different things: classic SMS failing, RCS chat messages stuck in Google Messages, group texts not delivering, or only certain contacts not receiving your messages. The fixes below are ordered from quickest to most involved, so start at the top and work your way down until your messages go through.

Why Android Cannot Send Text Messages: Common Causes

Understanding why your android cannot send text messages makes the fix much faster. In most cases, the problem falls into one of these buckets:

• Signal or carrier issues: weak network coverage, expired prepaid plan, or a temporary carrier outage.
• RCS chat features misbehaving: Google Messages tries to send as an RCS “chat message” and fails instead of falling back to SMS.
• Wrong message center number (SMSC): especially common after switching carriers or using a phone bought abroad.
• App or system glitches: a corrupted Messages cache, an outdated app, or a buggy OS update.
• Blocked or invalid recipient: a wrongly formatted number, an accidental block, or sending SMS to a landline.
• Dual SIM / eSIM conflicts: the wrong SIM selected as the default for messaging.

If you recently changed anything — a new carrier, a new phone, an OS update, a new eSIM — start with the fix that matches that change. Otherwise, work through all 10 below.

Fix 1: Check Your Signal and Carrier Plan

This sounds obvious, but it solves the problem more often than you would think. When your android cannot send text messages, first check:

1. Signal bars: If you are in a basement, elevator, or rural area with one bar or “No Service,” SMS may fail. Move near a window or step outside and try again.
2. Airplane mode: Swipe down from the top of the screen. If the airplane icon is on, turn it off, wait 30 seconds for the network to reconnect, then resend.
3. Carrier plan status: Prepaid plans with expired data balances can block outgoing SMS. Open your carrier’s app or dial your carrier’s balance-check number to confirm your plan is active.
4. Carrier outages: Check your carrier’s status page or a site like Downdetector. If thousands of people in your area report the same issue, it is a network outage and you just have to wait.

Quick test: ask a friend to text you. If you can receive messages but cannot send them, the issue is on the sending side (usually the message center number or the messaging app), not the network itself.

Fix 2: Restart Your Phone

The classic IT advice exists for a reason. A restart clears temporary network glitches, stuck radio processes, and hung app services that can cause your android cannot send text messages failures.

• Hold the power button, tap Restart, and wait for the phone to fully boot.
• After restarting, wait about a minute for the cellular signal to stabilize, then open your messaging app and try sending again.
• If a normal restart does not help, try a force restart: on most phones, hold Power + Volume Down together for about 10 seconds until the device reboots.

Fix 3: Toggle RCS Chat Features Off and On

If you use Google Messages, there is a good chance your texts are being sent as RCS “chat messages” instead of SMS. When RCS gets stuck — especially right after switching phones or carriers — your android cannot send text messages at all because the app keeps retrying the RCS route instead of falling back to SMS. For a full breakdown of how RCS works on Android, see our RCS messaging complete guide.

1. Open Google Messages → tap your profile picture → Messages settings → RCS chats.
2. Turn RCS chats off, wait 10 seconds, then turn it back on.
3. Also enable “Automatically resend as text (SMS/MMS)” in the same menu — this is the setting that saves you when RCS fails.
4. If you recently switched phones or SIMs and RCS is stuck “verifying” for days, disable RCS entirely on the Google RCS deregistration page and re-enable it on the new device.

Pro tip: if a specific contact’s messages keep failing, long-press that conversation → Details → turn off “Only send as chat messages” for that thread so it always uses SMS.

Fix 4: Clear the Messages App Cache and Data

A corrupted cache in your messaging app is a sneaky cause of android cannot send text messages errors. Clearing it is safe — it does not delete your conversations.

1. Open Settings → Apps → See all apps → Messages.
2. Tap Storage & cache → Clear cache. Restart the app and test.
3. If it still fails, go back and tap Clear storage (or Clear data). This resets the app’s settings but keeps your messages. You may need to re-enable RCS chat features afterward.

On Samsung phones the default app may be Samsung Messages — follow the same steps there. You can also switch your default SMS app to Google Messages (Settings → Apps → Default apps → SMS app) if one app consistently misbehaves.

Fix 5: Check the Message Center (SMSC) Number

Every carrier routes outgoing SMS through a message center number (SMSC). If this number is wrong or blank — common after switching carriers, using an imported phone, or manually editing APN settings — your android cannot send text messages will fail every single time while everything else works fine.

How to check and fix the SMSC number:

1. Open your phone’s dialer and type *#*#4636#*#* to open the testing menu (works on most Android phones).
2. Tap Phone information, scroll to SMSC, and tap Refresh. If the field is empty or looks wrong, enter your carrier’s SMSC number (find it on your carrier’s support site) and tap Update.
3. Alternatively, in Google Messages: open a conversation → tap the three-dot menu → Details — some devices show the SMSC there.

Your carrier’s official support documentation at support.google.com/android can also point you to carrier-specific messaging settings. And if you are setting up service on a new line, our eSIM setup guide for US carriers covers the APN and messaging configuration steps that often trip people up.

Fix 6: Verify the Recipient’s Number and Check Blocks

Sometimes the phone is fine and the destination is the problem:

• Number format: Make sure the number includes the correct country code (+1 for US numbers). A missing country code is a top reason texts fail to international contacts.
• Blocked contacts: Open your messaging app → Settings → Blocked numbers (or Spam & blocked). If the recipient is there, unblock them.
• Short codes: If you cannot send to short codes (like 2FA codes from your bank), your carrier may block “premium SMS” by default. Check Settings → Apps → Special app access → Premium SMS access and set your messaging app to Ask or Always allow.
• Landlines: SMS cannot be delivered to most landlines. If it bounces back, that is why.

Fix 7: Reset Network Settings

If individual fixes are not working, resetting all network settings wipes out any corrupted APN, Wi-Fi, Bluetooth, or carrier configuration in one shot. This is one of the most reliable fixes when android cannot send text messages after an OS update or carrier change.

1. Go to Settings → System → Reset options → Reset Wi-Fi, mobile & Bluetooth.
2. Confirm. Your phone will restart its radios.
3. Reconnect to Wi-Fi afterward — your saved Wi-Fi passwords will be erased, so keep them handy.

Note: this does NOT delete your photos, apps, or messages. It only resets connectivity settings.

Fix 8: Update the Messages App and Your Phone’s Software

Bugs in outdated software cause messaging failures regularly. Check two things:

• App update: Open the Play Store, search for Google Messages (or Samsung Messages), and tap Update if available.
• System update: Go to Settings → System → System update and install any pending updates. Carriers frequently push modem and messaging fixes through OS updates.

After updating, restart the phone once more before testing.

Fix 9: Check Dual SIM and Default SIM Settings

If you use two SIMs (physical + eSIM, or dual physical SIMs), your phone might be trying to send texts from the SIM with no active plan or the one without SMS service. To rule this out when your android cannot send text messages:

1. Go to Settings → Network & internet → SIMs.
2. Check which SIM is set as the default for SMS. Switch it to the SIM with the active messaging plan.
3. As a test, temporarily disable the second SIM and try sending again.
4. Make sure mobile data is on for the correct SIM — RCS needs a data connection.

Fix 10: Contact Your Carrier or Try a New SIM

If nothing above works, the problem is likely on the carrier side:

• Call your carrier’s support line and ask them to check your line’s SMS provisioning. They can re-provision SMS service on your account remotely.
• Ask for a SIM swap: a damaged or very old SIM card can fail to send SMS while everything else works. Most carriers replace SIMs free of charge.
• Test with another SIM: borrow a friend’s SIM (same carrier ideally). If texts send fine with their SIM, your SIM card is the culprit.

Also worth knowing: if the reason you cannot reach someone is that their number is being filtered as spam, check out our guide on how to block spam calls on Android — it explains how spam filtering works in both directions.

SMS vs RCS Troubleshooting Cheat Sheet

FAQ

Why can I receive texts but not send them on Android?

This almost always points to the sending side: a wrong or missing message center (SMSC) number, a disabled outgoing-SMS feature on your carrier plan, or RCS stuck without SMS fallback. Check the SMSC number (Fix 5) and enable “Automatically resend as text” in Google Messages (Fix 3).

Why does my Android say “message not sent” when I have signal?

Full signal bars do not guarantee SMS service — the bars show voice/data coverage, while SMS depends on the message center configuration and your plan’s SMS provisioning. Start with Fix 1 (plan status and outages), then Fix 5 (SMSC).

How do I fix RCS messages stuck on “sending”?

Open Google Messages → RCS chats → turn RCS off and back on, and enable “Automatically resend as text (SMS/MMS).” If RCS is stuck verifying after a phone or SIM change, deregister your number on Google’s RCS deregistration page and set it up again.

Will resetting network settings delete my messages?

No. Resetting network settings only clears Wi-Fi passwords, Bluetooth pairings, APN settings, and mobile network configuration. Your messages, photos, apps, and accounts are untouched — which makes it one of the safest “big” fixes to try.

Should I use Google Messages or Samsung Messages?

Both work fine, but Google Messages gets RCS and spam-protection updates faster. If Samsung Messages keeps failing to send, switch your default SMS app to Google Messages (Settings → Apps → Default apps → SMS app) and see if the problem disappears.

Conclusion

When your android cannot send text messages, the fix is usually simpler than it looks. For most people, the answer is one of three things: toggling RCS chat features off and on so SMS fallback works again, correcting the message center (SMSC) number after a carrier or phone change, or resetting network settings to clear a corrupted configuration. Work through the 10 fixes above in order, and test after each one — there is no need to try everything at once. And if the problem turns out to be on your carrier’s side, a quick support call to re-provision SMS on your line usually resolves it within minutes. Your texts will be flowing again in no time.