If your phone started overheating after a system update, downgrading the software might sound tempting — but here’s the blunt truth: rolling back is rarely necessary, often risky, and usually avoids the real cause. AvNexo users across London, Manchester, Bristol, Birmingham, and Glasgow see the same pattern every update cycle. The heat is real, the frustration is real, but the fix is almost always achievable without touching the firmware.
This guide explains how to stop post-update overheating properly, using methods that actually work in real UK usage conditions.
Not all heat after an update is a fault.
In the first 24–48 hours, your phone may:
This is expected behaviour. What’s not normal is overheating that continues days later, especially when the phone is idle or lightly used.
This sounds basic, but many people misjudge too early.
Use the phone normally for a full day, let the battery drop below 20%, then charge it to 100% in one session.
Why this matters:
If overheating persists after this, you have a real issue — and downgrading still isn’t the solution.
Most post-update overheating is caused by apps misbehaving quietly.
Settings → Battery → Battery usage
Look for apps that:
AvNexo users in Leeds and Nottingham often discover one social, navigation, or cloud app burning power nonstop after updates.
If heat drops within a few hours, you’ve found the culprit.
This is one of the most overlooked fixes in the UK.
Post-update overheating often comes from constant network retries caused by unstable connections.
Common UK triggers:
Phones that stop constantly searching for signal cool down dramatically.
Location services often break silently after updates.
Apps may request location repeatedly even when closed.
Settings → Location → App location permissions
Users in Birmingham reported immediate temperature drops after tightening location permissions.
This needs to be said clearly: third-party battery and cleaner apps often cause overheating.
After updates, these apps:
If you use one, uninstall it. No exceptions.
Charging behaviour that was fine before an update may now cause heat.
UK users often overlook this because the charger “worked fine before”. Updates can change charging algorithms.
Switch to a standard charger temporarily and avoid heavy use while charging. If temperatures normalise, the charger was the issue.
Some phones allow clearing system cache without data loss.
This removes leftover update debris that can cause CPU loops.
Not all models support this, but when available, it’s one of the cleanest fixes.
Safe Mode disables third-party apps.
If the phone stays cool in Safe Mode:
This single test prevents unnecessary factory resets.
Downgrading:
It treats the symptom, not the cause.
If you’re past day five, ignoring it risks battery degradation.
Rarely, updates expose hardware weaknesses.
Warning signs:
In these cases, the update revealed an ageing battery or thermal sensor issue — it didn’t create it.
Post-update overheating is fixable without downgrading in the vast majority of cases. The solution is disciplined troubleshooting, not panic.
UK users who focus on apps, networks, and permissions almost always restore normal temperatures within a day or two. AvNexo analysis consistently shows that downgrading is a last resort — and usually the wrong one.
Meta description: Phone overheating after an update? Learn proven ways to fix post-update heat without downgrading, tailored for real UK usage.
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