Rubuta ci gaba ga wannan sakin layi - A ranar 21 ga Fabrairu 1831 Umiński ya sake shiga rundunar sojojin Poland. Da farko a matsayin soja na yau da kullun, Umiński ya shiga cikin Yaƙin Wawer na Farko da kuma mummunan Yaƙin Olszynka Grochowska. Ba da daɗewa ba tsohon abokin aikinsa, Janar Henryk Dembiński, ya gano shi, wanda ya ba shi mukamin Kanar, sannan Janar na Rukunin, kuma ya ba shi umurni a kan I Cavalry Corps. Rundunarsa ta shiga cikin yaƙe-yaƙe na Jędrzejów da Yaƙin Ostrołęka
, daya daga cikin fadace-fadacen da suka fi zubar da jini na tayar da kayar baya, wanda ke fama da rashin yanke hukunci da kuma yanke shawara mara kyau a bangaren Janar Janar Janar Janar Jan Zygmunt Skrzynecki. Mai sukar manyan sa, Umiński duk da haka ya kasance a cikin sojojin har zuwa ƙarshen tashin hankali, yana shiga cikin dogon yakin Warsaw. Bayan shan kashi na Poland, ya jagoranci ragowar sojojin Poland zuwa Modlin da Płock, inda a ranar 23 ga Satumba 1831 aka nada shi a matsayin Babban Kwamandan Yaren mutanen Poland. Ya yi tsayayya da janar-janar da yawa, ya riƙe shi na kwana ɗaya kawai kuma ya ba da aikinsa ga Janar Maciej Rybiński.