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 Wi‑Fi Support in London and the South East UK
What this page covers
This guide explains the most common reasons why an iPhone cannot connect to Wi‑Fi, 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 modern Wi‑Fi routers, mesh systems and broadband providers including BT, Sky, Virgin Media, EE, Vodafone and TalkTalk.
The most common iPhone Wi‑Fi problems
These are the issues Keith Thomas sees most often during on‑site visits:
• iPhone cannot connect to Wi‑Fi
• iPhone keeps dropping Wi‑Fi
• iPhone Wi‑Fi greyed out
• iPhone cannot join home Wi‑Fi but works elsewhere
• iPhone cannot connect to mesh Wi‑Fi
• iPhone cannot connect to 5GHz or Wi‑Fi 6
• iPhone cannot connect after iOS update
• iPhone says “Incorrect password” (but it’s correct)
• iPhone Wi‑Fi slow or unstable
Quick checks you can do yourself
These steps solve around 50% of iPhone Wi‑Fi issues.
Check 1 – Restart the iPhone
Check 2 – Restart the Wi‑Fi router
Check 3 – Toggle Wi‑Fi off and on
Check 4 – Forget the network and rejoin
Check 5 – Turn off Low Data Mode
iPhone cannot connect to Wi‑Fi
This usually means:
• Incorrect Wi‑Fi password
• Router compatibility issue
• Network congestion
Try:
• Forgetting and rejoining the network
• Restarting the router
• Moving closer to the router
iPhone keeps dropping Wi‑Fi
This usually means:
• Weak signal
• Mesh Wi‑Fi handoff issues
• Router interference
Try:
• Restarting the router
• Turning off Private Wi‑Fi Address
• Forgetting and rejoining the network
iPhone Wi‑Fi greyed out
This usually means:
• Temporary iOS bug
• Network settings corruption
• Bluetooth conflict
Try:
• Restarting the iPhone
• Resetting network settings
• Turning Bluetooth off and on
iPhone cannot join home Wi‑Fi but works elsewhere
This usually means:
• Router blocking the device
• MAC address filtering
• Guest network restrictions
Try:
• Turning off Private Wi‑Fi Address
• Restarting the router
• Checking router access control settings
iPhone cannot connect to mesh Wi‑Fi
This usually means:
• Mesh system using band steering
• Device stuck between nodes
• WPA3 compatibility issues
Try:
• Restarting the mesh system
• Turning off Private Wi‑Fi Address
• Splitting 2.4GHz and 5GHz networks
iPhone cannot connect to 5GHz or Wi‑Fi 6
This usually means:
• Router compatibility issue
• Channel width too high
• DFS channel in use
Try:
• Changing router channel
• Restarting the router
• Splitting 2.4GHz and 5GHz networks
iPhone cannot connect after iOS update
This usually means:
• Network settings reset
• iOS Wi‑Fi bug
• Router compatibility issue
Try:
• Resetting network settings
• Restarting the router
• Installing any minor updates
When DIY stops working
You should get on‑site help if:
• The iPhone will not connect to Wi‑Fi at all
• Wi‑Fi drops constantly
• Mesh Wi‑Fi will not work with the iPhone
• Wi‑Fi issues started after an update
These issues usually require:
• Router and mesh diagnostics
• iPhone network configuration repair
• iCloud and Apple ID checks
• Wi‑Fi optimisation for Apple devices
On‑Site iPhone & Wi‑Fi Support – London & South East UK
If your iPhone cannot connect to Wi‑Fi, 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:
• iPhone Wi‑Fi and network issues
• Mesh Wi‑Fi and router configuration
• iCloud and Apple ID problems
• Home network optimisation
Book on‑site help in London and the South East UK
If your iPhone cannot connect to Wi‑Fi, 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