Why does my old iPhone say certificate not trusted?
The most common cause of a "certificate not trusted" error is that the certificate installation was not properly completed on the server (or servers) hosting the site. Use our SSL Certificate tester to check for this issue. In the tester, an incomplete installation shows one certificate file and a broken red chain.
Why does my phone say certificate not trusted?
Many times, this error occurs when the certificate installed on the email server isn't recognized by the Android device in question. ... This highlights the importance of getting a CA-signed certificate from a reputable third-party CA.
What is an iPhone certificate?
You can install certificates, commonly referred to as configuration profiles, on your iPhone for various reasons, such as for changing the Access Point Name of your mobile Internet connection or for connecting to an encrypted wireless network.
How do I get rid of untrusted certificate error on iPhone?
To delete the profile and certificates, go back to the profile view and tap on "Remove Profile." Enter your passcode when prompted, tap on "Remove," and the root certificate will be removed from your device.
How do I log into my Apple account?
To sign in from an Android app, a Windows app, or any web browser, tap Sign in with Apple, then enter your Apple ID and password. Sign in with Apple requires two-factor authentication for your Apple ID.
How do I cancel my Apple subscription?
How to cancel a subscription on your iPhone, iPad, or iPod touch
- Open the Settings app.
- Tap your name.
- Tap Subscriptions.
- Tap the subscription that you want to manage. Don't see the subscription that you're looking for?
- Tap Cancel Subscription.
How do I talk to Apple customer service?
Contact Apple Support
- U.S. technical support: (800) APL–CARE (800–275–2273)
- See all worldwide support telephone numbers.
- Contact a mobile carrier.
- Make a reservation at an Apple Retail Store Genius Bar.
- Beats support: (800) 442–4000 (U.S.) or see all worldwide support telephone numbers.
How do I find out what Apple Com is charging me for?
How to see what you were charged for
- To see your purchase history, go to reportaproblem.apple.com.
- Sign in with your Apple ID.
- A list of purchases appears. To see family members' purchases, select the Apple ID button and choose a family member.
- To see the full receipt including tax, tap or click the date.