Your iPhone already shoots at a higher resolution than the Cambodia eVisa form needs. The only real trap is the file format — iPhones save HEIC, the form wants JPEG. Here is the full 5-minute routine, from white wall to converted JPEG under 2 MB.
Stand about a foot and a half from a plain white wall, face a window so daylight hits you from the side, and have someone shoot you with the rear camera (not the selfie camera) held in portrait at eye level. Keep a neutral expression — eyes open, no smile, no glasses, no hat. Then crop the photo to a square of at least 600×600 pixels and make sure it is a JPEG under 2 MB. The one iPhone-specific step Americans miss: iPhones save photos as HEIC by default, and the form needs a JPEG, so either switch your Camera setting to "Most Compatible" before shooting or convert the photo to JPEG before you upload.
This guide walks you through the whole thing on an iPhone specifically — the Camera setting to change first, where to stand, how to frame the shot, and exactly how to convert HEIC to JPEG when you forget. If you want the underlying numbers — dimensions, pixels, megabytes — our photo size and file format breakdown lays out every spec, and the full photo requirements guide for US citizens frames it as a complete checklist. When you are ready, you can apply in a few minutes.
That is the whole iPhone routine: change one setting, shoot against a white wall in daylight, crop square, make sure it is a JPEG under 2 MB. If your photo somehow still gets flagged, it is no drama — you re-upload a corrected version with free resubmission, and the clock keeps running. Our guide to fixing a rejected Cambodia eVisa photo walks through each flag, and if your file refuses to come down under the limit, the how-to-compress-an-oversized-photo guide covers that one cleanly.
Next steps and related reading for Americans: apply for your Cambodia eVisa once your iPhone photo is a clean JPEG, check the background rules for US applicants if you are unsure whether your wall reads as white, follow the full US step-by-step application guide to see every other field, and bookmark our Cambodia visa hub for US citizens as the single reference for cost, documents, and timing.
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