Bought Iphone 5 black india in jan last week....i doon hav battery issue...no drain....two problems ....pink lines while camera nd phone heat up.....if i remove sim...phone doesnt heat up ....this heat up is w.r.t. charging, apps, 3g.When apple will do??

i phone 5 which i bought nd experienced heat up while charging....heavy game...music thorogh speaker....heavy app...Next problem, pink lines sometimes when uses camera..Replaced twice nd same problom is there...Anybody if plz have solution...I donn think Iphone 5 benifited me in comparision to Galaxy S3...i invested in this piece...when will Apple solve it ...no idea...i question apple..plz send ay update to sort bugs...And any friend if have thier hacky solutions.