USCIS is aware through various data bases who leaves and enters the US (nonimmigrants). Failure to AOS when PD is current risks i-485 denial.

This inquiry appears not to be an immigration issue r concern.

It appears FOIA would be one of the fastest ways to get a deportation record. You want to request both CBP and USCIS.

A holder of a valid H1-B abroad may renter US for number of reasons, to include but not limited to, seeking employment.

You should consult a lawyer that practices immigration in Ecuador.

Additionally, as suggested, an approved 4th preference I=130 approval per se, is insufficient for AOS. Most importantly, the priority of the...

Three years as an LPR qualifies an applicant to file an application for naturalization.

An eviction record without more is nether a crime nor an inadmissible offense. Therefore, it has no impact on US immigration application/petition...

US immigration laws and policies do not deal with rights to own and/or restore rights to fire arms.

As a practical matter, the date you put should be of no concern. In the final analysis, USCIS makes final decision on the effective date of change.