Oman → Wallis and Futuna
Oman plugs
Type GWallis and Futuna plugs
Type C
Type ENo shared plug types. A travel adapter is required.
Compatibility: Adapter Required
Voltage — Oman 230V — Wallis and Futuna 230V
Voltage is the same. Your devices should work normally.
Device compatibility (phones)
Phones almost always support 100–240V, so yours should work safely. Check your charger label to confirm.
You likely only need a plug adapter (if socket shapes differ). Voltage is close between these countries.