Plz friends and family help me. Mera pas 2 samsung grand prime hn ak 530h and 2nd 531h. mera sath problem ye ha k 531h per net buht he slow ha speed just 5,6 kb tk jati ha phr 0 ho jati ha jub k usi lamha agr me 530h pe use krun to speed 20 to 30 kb tk hoti ha 2g per. Plz koi bhai is ka hal nikal da.
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