My phone is One M9.
I couldn't export my contact info to a sim card.
I followed the instruction, but it didn't work. Should I change my sim card?
Export Contacts to a SIM Card - HTC One® (M9)
1.From a Home screen, tap the Apps icon Apps icon (located at the bottom).
Note If unavailable, tap the Dropdown menu Applications dropdown menu icon (located in the upper-left) then tap Alphabetical. If still unavailable, refer to Manage App Icons.
3.Tap the Menu icon Menu button(located in the upper-right).
4.Tap Manage contacts.
5.Tap Import/Export contacts.
6.Tap Export to SIM card.
7.Select the contact(s) then tap SAVE.
Note Selected when a check mark is present.
Note To select all contacts, tap the Menu icon then tap Select all.
Note The number in parentheses next to SAVE represents the number of contacts selected.