Hello dosto, koi bhai mjhy Jazz 4g wingle ka firmware share kr dy. jo black color ki wingle hai jazz ki 4g. device main firmware ki update i thi main ny update k doran he wingle remove kr d, ab device thodi dair bad disconnect ho jati khud he. Pleas koi firmware ka link send kr dy. Is device ka maker bhi nhe pta chal rha. Thanks