HIK07. I think for filers originally sent to potomac with case numbers YSC the app isnt formatted for those (it didn't recognize mine either). The ones able to track their status using the app seem to be ppl who were transfers so their reciept numbers have a different prefix. Probably because Potomac is new. Also the app is a third party source not distributed by uscis. You can go to the uscis website and create a logon, put in your reciept number it will save and you can opt in for text and email alerts. FYI it took 40 days for my application to show it was recieved online. Hope this helps.
ALL Potomac I-130 Filers (New Center) [merged threads]
in USCIS Service Centers
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HIK07. I think for filers originally sent to potomac with case numbers YSC the app isnt formatted for those (it didn't recognize mine either). The ones able to track their status using the app seem to be ppl who were transfers so their reciept numbers have a different prefix. Probably because Potomac is new. Also the app is a third party source not distributed by uscis. You can go to the uscis website and create a logon, put in your reciept number it will save and you can opt in for text and email alerts. FYI it took 40 days for my application to show it was recieved online. Hope this helps.