UK users often report lens issues such as blurry photos, inconsistent focus, and occasional camera freezes after overnight system updates on iPhones and Samsung devices. In my own experience with an iPhone 15 on EE in London, photos taken immediately after an overnight iOS update were slightly blurred and required multiple attempts to focus correctly. Galaxy S23 users on Vodafone in Manchester reported similar autofocus inconsistencies following a One UI overnight update. These problems are typically caused by background optimisation processes, recalibration of the Image Signal Processor (ISP), and temporary software conflicts introduced during updates.
Launching the camera right after an overnight update can worsen lens issues because system resources are still being allocated and optimised.
Streaming, uploading photos, or having multiple apps running can overload CPU/GPU resources, increasing lens blur or focus delays.
Not restarting the device after an overnight update prevents the camera system from stabilising, prolonging autofocus and lens problems.
Hold Power → Restart. Restarting clears temporary memory issues and stabilises lens performance.
Swipe up to close unused apps. Reducing CPU load allows the camera ISP to perform optimally, minimising blur and focus inconsistencies.
iPhone: Settings → General → Transfer or Reset iPhone → Reset → Reset All Settings
Samsung: Camera App → Settings → Reset Settings. This resolves misconfigurations introduced by the update.
Ensure all apps, especially camera-related and social media apps, are updated to maintain compatibility with the new iOS or One UI version.
Give the device several hours post-update or leave it charging overnight to complete optimisation. This improves lens calibration and autofocus performance.
Use well-lit indoor spaces or daylight to minimise blur and allow the lens to recalibrate more effectively.
Across London, Manchester, Birmingham, Glasgow, and Leeds, iPhone and Samsung users on EE, Vodafone, and O2 reported blurry images and autofocus inconsistencies immediately after overnight updates. Restarting the device, closing background apps, resetting camera settings, and allowing several hours for background optimisation significantly improved lens performance. Users also found that shooting in well-lit conditions helped the camera recalibrate faster.
Lens issues on iPhone and Samsung after UK overnight updates are common but generally temporary. Users can restore accurate focus and reduce blur by restarting the device, closing background apps, resetting camera settings, updating apps, and allowing background optimisation. AvNexo users in London, Manchester, Birmingham, Glasgow, and Leeds can follow these tested UK-specific solutions to ensure reliable camera lens performance after overnight updates.
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