Phones & Network

• What is an eSIM?
• How do I activate my eSIM?
• Which eSIM devices are compatible with the Optimum Mobile network?
• What do I do if my eSIM doesn’t work?
• What do I do If I lose my phone with an eSIM?
• How do I activate my eSIM using the QR Code on my iPhone?

See all 20 articles

• How can I upgrade my phone?
• Thinking of upgrading your phone?
• Phone Upgrade (Replacing a phone)

• What is 5G?

• How do I move my phone number from my Android device to an eSIM on my new iPhone 14?
• Will activating an eSIM lock my iPhone to Optimum Mobile?
• How do I know if my iPhone is unlocked?
• How do I activate an iPhone with eSIM if I don’t have access to a Wi-Fi network?
• How to add an email account to my iPhone?
• How do I insert a SIM Card into my iPhone?

See all 17 articles

• How do I manage voicemail on my Motorola device?

• How do I transfer my data/contacts to a new Samsung device?
• How do I manage voicemail on my Samsung device?

• Dialing Plan Change Coming to 602 & 623 Area Codes in Arizona
• New 274 Area Code in Wisconsin
• Poor Audio on Phone Calls
• No Service or Signal Issues
• Internet and Data Issues
• Why am I getting a “SIM is locked” message on my phone?

See all 18 articles

• I lost my phone or my phone was stolen. What do I do now?