US Immigration from Philippines

Question:

Fee for I-751, Biometrics were done two years ago, do they need to be done again? Thus, do we pay a second fee, with the I-751 for another Biometrics?

https://www.uscis.gov/feecalculator, No Children

Calculator results:
Your Fees
Biometrics $85.00
I-751 $595.00
Total $680.00

Starting a topic to see how long it took to get an update on y'all cases. Thanks a bunch!

We moved from CA to WA last November and I have yet to apply for a WA license due to covid. We're also only going to be here for 12-14 months and then going back to CA so I'm on the fence about switching everything over and then having to go back to the DMV in CA to do it all over again. Would it be a problem if I presented an out of state DL during the interview and just provide our lease, utility bills and the USPS change of address confirmation?

I've notice most receipt numbers seem to start with MSC but ours both (I-485 and I-130) start with IOE. The I-130 was done online in September while the I-485 was sent by mail in December but has the same priority date in September as the I-130. Does anyone have a clue to what the different numbers (letters) mean?

Like everybody patiently waiting (Haha) in the que I am curious about after NOA-2. When my lady and I contemplated this process in April 2019 it seemed there was a relatively clear path- a few months after NOA-1 came NOA-2 then NVC 4-6 weeks later and then 4 weeks later the medical and interview and a plane ticket to America. Philippine Law and COVID delayed our filing until Sep 2020 and the clear path now appears to be the maze of the Minotaur. I am hoping for helpful guidance or information about after NOA-2. I read so much that indicates Manilla is seriously backlogged on K-1 Visas. Is there any current information about how long after the NVC gets our application we can anticipate a window for the medical/ interview phase to begin. Based on projections from VJ I assume w/o glitches my NOA-2 should happen 15-25 May 2021. Thanks and whileI read so much about other embassies and other circumstances mine is pretty simple just my lady and I no income issues or children involved!