iPhone 7 (RED)Model MPRT2LL/AiOS 11.2.1 (15C153)Verizon WirelessCarrier v31.1Office365 Exchange Email installed into built in iOS Email ClientThis iPhone has recently been only able to download emails when on cellular, rarely would it update on WiFi. No connection error, just wouldnt download new emails.So we deleted the email from the phone, and reinstalled. Email started working ok, but then all the contacts and calendars were missing for both iCloud & Exchange (only deleted the exchange, never touched the iCloud installed, and yes, all calendar and contact groups were selected). When coming in and out of Wifi - Contacts could rediily be seen appearing and disappearing.Overnight, phone was left on cellular only, and the contacts finally came back for both but the Exhange Calendar is still missing.These bugs were reported back on 11.0.1 and 11.1. Any reported issues / bugs / fixes for 11.2.1??

iOS 11.2.1 - Wifi Issues for Excha… | Apple Developer Forums

iOS 11.2.1 - Wifi Issues for Exchange / Calendars

iPhone 7 (RED)

Model MPRT2LL/A

iOS 11.2.1 (15C153)

Verizon Wireless

Carrier v31.1

Office365 Exchange Email installed into built in iOS Email Client

This iPhone has recently been only able to download emails when on cellular, rarely would it update on WiFi. No connection error, just wouldnt download new emails.

So we deleted the email from the phone, and reinstalled.
Email started working ok, but then all the contacts and calendars were missing for both iCloud & Exchange (only deleted the exchange, never touched the iCloud installed, and yes, all calendar and contact groups were selected).
When coming in and out of Wifi - Contacts could rediily be seen appearing and disappearing.
Overnight, phone was left on cellular only, and the contacts finally came back for both but the Exhange Calendar is still missing.

These bugs were reported back on 11.0.1 and 11.1. Any reported issues / bugs / fixes for 11.2.1??