Iphone unable to update calendar. Why does my iPhone say unable to update calendar? Make sure that the date and time settings on your iPhone, iPad, iPod touch, Mac, or PC are correct. The others (Gmail, iCloud) calendars shows "unable to update calendars" on my iPhone (even if everything works on my Mac). If Google Calendar is not syncing on your iPhone, we bring you some solutions that will help you fix the problem. Facing issues with Calendar app on iPhone? Here are the working tips you can try if Calendar is not working on iPhone. I can see my emails perfectly fine. If All Events is selected, choose a specific timeframe instead, like Events 1 Month Back. Or, if you subscribe to calendars, you may want to check for updates periodically to be sure you have the latest information. Went back to my PC and hit refresh, and I found it immediately matched my phone. In iOS 17 or earlier, tap Settings, then tap Calendar. Exchange Calendar - unable to update calendar I have followed the instructions for how to add my calendar from my email address using Microsoft Exchange. 0xzt, am4wp, wdrca, hxa84v, tw3d, sgq2, ksih, evrc, 93yhf, 68dese,