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iPhone not receiving verification codes – How to Fix It 2026 Guide

Why Choose Keith Thomas

20 years of experience as a Senior Apple Support Specialist at Apple Computer UK HQ.

• Former Apple Computer UK Mac Support Specialist and Apple Authorised Service Provider background.

Established and Independent since 2010 for on‑site Apple Support Service – no call centres, no outsourcing, no hardware repairs. Over 25,000+ Apple problems resolved. Unique on-site Apple Support Service. backed up with Independent Apple Telephone Support Assistance.

• Trusted by home users, small businesses, and professionals across London and the South East UK.• Clear, honest, software‑only support. No Hardware Repairs. Expert Apple Consultancy Service.

On‑site iPhone and Apple Account Support in London and the South East UK

What this page covers

This guide explains the most common reasons why an iPhone does not receive verification codes, the steps you can try yourself, and when it’s time to get professional on‑site help. It applies to:

• iPhone 17 / 17 Pro / 17 Pro Max / iPhone Air

• iPhone 16 / 16 Pro / 16 Pro Max

• iPhone 15 / 15 Pro

• iPhone 14 / 14 Pro

• iPhone 13 / 13 Pro

• iPhone 12 / 12 Pro

• iPhone SE (2nd and 3rd generation)

And all verification services including Apple Account, banks, Microsoft 365, Gmail, Outlook, WhatsApp, Facebook, Instagram, Amazon, HMRC, NHS and mobile networks.

The most common verification code problems

These are the issues Keith Thomas sees most often during on‑site visits:

• iPhone not receiving verification codes

• iPhone not receiving Apple Account verification codes

• iPhone not receiving SMS verification codes

• iPhone not receiving bank verification codes

• iPhone not receiving Microsoft 365 verification codes

• iPhone not receiving Gmail or Google codes

• iPhone not receiving WhatsApp verification code

• Verification codes delayed or not arriving at all

• Verification codes only arriving on another device

Quick checks you can do yourself

These steps solve around 50% of verification code issues.

Check 1 – Restart the iPhone

Check 2 – Turn Airplane Mode off and on

Check 3 – Check mobile signal strength

Check 4 – Turn off Wi‑Fi Calling temporarily

Check 5 – Make sure your number can receive SMS

iPhone not receiving verification codes

This usually means:

• Network issue with your mobile provider

• SMS routing delay

• Number not registered correctly on the network

Try:

• Restarting the iPhone

• Turning Airplane Mode off and on

• Sending yourself a test SMS

iPhone not receiving Apple Account verification codes

This usually means:

• Trusted number not set correctly

• Verification code going to another Apple device

• Apple Account security delay

Try:

• Checking trusted numbers in your Apple Account

• Checking other Apple devices for the code

• Restarting the iPhone

iPhone not receiving bank verification codes

This usually means:

• Bank using a different number on file

• SMS blocked by network filters

• Temporary bank system delay

Try:

• Checking your bank profile number

• Restarting the iPhone

• Trying again on mobile data instead of Wi‑Fi

iPhone not receiving Microsoft 365 or Google verification codes

This usually means:

• SMS routing delay

• Number mismatch in account settings

• Verification blocked by spam filters

Try:

• Checking your number in account security settings

• Restarting the iPhone

• Requesting the code again

iPhone not receiving WhatsApp verification code

This usually means:

• Number entered incorrectly

• WhatsApp rate‑limit delay

• SMS blocked by network filters

Try:

• Entering the number in full international format

• Waiting 10 minutes before requesting again

• Restarting the iPhone

Verification codes delayed or not arriving

This usually means:

• Network congestion

• SMS routing issue

• Temporary service outage

Try:

• Turning Airplane Mode off and on

• Restarting the iPhone

• Trying again on mobile data

When DIY stops working

You should get on‑site help if:

• Verification codes never arrive

• Codes arrive on another device but not your iPhone

• You cannot sign in to your Apple Account

• Verification codes stopped working after an update

These issues usually require:

• Apple Account and iCloud configuration repair

• Network and SMS routing diagnostics

• Mobile provider checks

• iPhone messaging configuration repair

On‑Site iPhone Support – London & South East UK

If your iPhone is not receiving verification codes, Keith Thomas provides an often same‑day on‑site support service across:

• Central London

• West, North, South and East London

• Surrey

• Berkshire

• Hampshire

• Wiltshire

Keith Thomas is an Apple Support Specialist in:

• Apple Account and iCloud issues

• SMS and verification code problems

• iPhone messaging and network configuration

• Mobile provider troubleshooting

Book on‑site help in London and the South East UK

If your iPhone is not receiving verification codes, Keith Thomas can visit your home or office and get everything working again.

Keith Thomas – Apple Support Specialist

Established 2010 – Open 09:30–20:30, 7 Days

Contact Keith Thomas by Telephone: 07800 940756 or by Text to: 07800 940756, or simply complete an online website contact form 24/7