Faint line/please help

Hey ladies, so super weird question. At 11 DPO I took a FRER test & there was a faint line. I kept it to compare to the next few days results and now there are two very clear lines.

It couldn’t have been an evap on the first picture because it was within the 3 minute mark. Because I didn’t see this test until after I used my FMU, I can’t test with that. I’m 14 DPO today.

Now it looks like this: