Every other NIN modification in this series happens on your phone, from your name to your date of birth. Changing your photo is the one exception, and it still means a trip to a NIMC enrolment centre.
Here is why, and how to make the visit itself as straightforward as possible, from what to check beforehand to what actually changes on your record afterwards.
Why a photo change is the one exception
NIMC treats your photo as a biometric detail, captured in person at enrolment, rather than a text field like your name or address. That is presumably why it has not extended self-service to this one change the way it has to almost everything else.
If your photo is unrecognisable, damaged, or simply unclear on your slip, this is the modification that applies, and it is the one place in this cluster where "no visit" does not hold.
Before your visit
Confirm your nearest NIMC enrolment centre and whether it expects you to book ahead, since this can vary and we could not verify a single national booking process.
Check nimc.gov.ng/fees for the current fee before you go, since NIMC has not published a figure for this specific change that we could independently verify.
What happens at the centre
Expect a process similar to your original enrolment: your photo is recaptured in person rather than uploaded as a file. Treat it as a shorter version of the same biometric capture you went through the first time.
Confirm with NIMC or the centre itself whether any part of the request can be started online in advance, since that could shorten your time at the centre. Arriving with your NIN and identification ready, rather than searching for them once you get to the counter, also helps.
What to bring with you
Bring your NIN and whatever identification NIMC's enrolment centres generally ask for, along with anything specific the centre tells you to bring when you confirm your visit.
Present yourself as you would for any official photograph, since this image is what every service checking your NIN will see afterwards.
What changes on your slip afterwards
Only your photo updates. Your NIN, and every other detail on your record, stays exactly as it was before the visit, so there is nothing else to re-check unless you specifically asked for another change too.
If you also need a text-based detail corrected, such as your name or date of birth, that goes through NIN modification on the self-service portal as a separate request, not through this visit.
For why this is the one exception to the no-visit rule, see do you need to visit NIMC for a NIN change, or browse the NIN and NIMC hub for every other update.