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 Activation 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 cannot activate after a restore, 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 iOS versions including iOS 17, iOS 18 and the latest iOS releases.
The most common activation problems
These are the issues Keith Thomas sees most often during on‑site visits:
• iPhone cannot activate after restore
• iPhone stuck on “Unable to Activate”
• iPhone activation server unavailable
• iPhone activation fails after update
• iPhone activation fails after switching networks
• iPhone activation fails due to SIM or eSIM
• iPhone activation fails due to Apple Account
• iPhone activation fails due to iCloud lock
Quick checks you can do yourself
These steps solve around 40% of activation issues.
Check 1 – Restart the iPhone
Check 2 – Connect to a reliable Wi‑Fi network
Check 3 – Insert a valid SIM or activate eSIM
Check 4 – Make sure you are signed in to your Apple Account
Check 5 – Check Apple’s system status page
iPhone cannot activate after restore
This usually means:
• Activation server delay
• Wi‑Fi connection issue
• Apple Account not fully signed in
Try:
• Restarting the iPhone
• Connecting to a different Wi‑Fi network
• Signing in to your Apple Account again
iPhone stuck on “Unable to Activate”
This usually means:
• SIM or eSIM not activated
• Network activation issue
• Apple Account activation delay
Try:
• Removing and reinserting the SIM
• Contacting your mobile provider
• Restarting the iPhone
iPhone activation server unavailable
This usually means:
• Apple’s activation servers are busy
• Temporary outage
• Network connection issue
Try:
• Waiting 10–30 minutes
• Connecting to a different Wi‑Fi network
• Restarting the iPhone
iPhone activation fails after update
This usually means:
• iOS version mismatch
• Temporary iOS activation bug
• Apple Account re‑authentication required
Try:
• Updating to the latest iOS version
• Signing in to your Apple Account again
• Restarting the iPhone
iPhone activation fails after switching networks
This usually means:
• SIM not activated yet
• Porting delay (PAC code transfer)
• eSIM activation pending
Try:
• Restarting the iPhone
• Turning Airplane Mode off and on
• Contacting your mobile provider
iPhone activation fails due to Apple Account
This usually means:
• Apple Account not fully signed in
• Activation lock enabled
• Two‑factor authentication delay
Try:
• Signing in to your Apple Account again
• Checking for activation lock
• Restarting the iPhone
When DIY stops working
You should get on‑site help if:
• The iPhone will not activate at all
• Activation fails after restore or update
• Activation fails due to SIM or eSIM
• Activation works on another device but not your iPhone
These issues usually require:
• iPhone activation and configuration repair
• Apple Account and activation diagnostics
• SIM and eSIM troubleshooting
• Wi‑Fi and network checks
On‑Site iPhone Support – London & South East UK
If your iPhone cannot activate after a restore, 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 activation and Apple Account issues
• SIM and eSIM activation troubleshooting
• Wi‑Fi and network diagnostics
• iPhone configuration and repair
Book on‑site help in London and the South East UK
If your iPhone cannot activate after a restore, 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