It’s not a secret that Apple is super obsessed with accessories and repair parts for its devices, so unless you’re using certified components, you’re on thin ice.

Living proof is the recent iOS 9 update that’s said to be causing critical problems on a number of iPhones using aftermarket components from non-Apple service centers.

The Guardian writes that several iPhones used by UK buyers got stuck with a fatal Error 53 code displayed on the screen after trying to update to iOS 9. Searching the web for more information about Error 53 leads to one painful conclusion: if you’re getting this, it’s nearly impossible to recover your phone.

Basically, Error 53 shows up when Apple detects changes made to the iPhone security system, and there’s word that it’s strongly related to the Touch ID. So if you took your iPhone to a service center because the home button was no longer working, the chances are that iOS 9 will brick it completely and get it stuck with the aforementioned fatal error.

No workaround available

Without a workaround to fix this problem, the only way to get an iPhone in working condition is to contact Apple, but since impacted devices have already been repaired in a non-Apple center, hence the warranty is gone, it’s hard to believe that the Cupertino-based firm would do anything about it.

The biggest problem, however, is that Apple doesn’t say anything about the risks of upgrading to iOS 9 in case of using unofficial parts. And while customers complain that such a warning should be provided, Apple sees no reason to do this as long as it doesn’t recommend buyers to repair their broken devices anywhere else but in its own service centers.

Obviously, there’s a cost problem because Apple charges you a fortune for the smallest repairs it makes, but it’s very clear that turning to a third-party service center becomes even riskier with all these changes the company makes. So for the moment, it’s better to just stick with your current iOS version if your iPhone has any uncertified parts.

Update: Apple has just confirmed that Error 53 is caused by Touch ID modifications made with unauthorized hardware. For the moment, there's no other solution than to contact Apple Support, the company says.

Update 2, February 18: Apple has released an update to fix iPhones bricked by Error 53.