Mengapa baterai saya mengembung

@mnurhidaya11323 regardless of why it swells up, anytime it has done so, it requires to be replaced. Leaving it in your phone will only further damage your phone. Since iFixit does not yet have a specific guide for this, use something like this video. It'll show you how to replace the battery. Replacement batteries are readily available at many online places. Just make sure that you purchase from a verified stores. Lots of counterfeit batteries around.

Translation

@mnurhidaya11323 tidak kira mengapa ia membengkak, bila-bila masa ia telah berbuat demikian, ia perlu diganti. Membiarkannya dalam telefon anda hanya akan merosakkan lagi telefon anda. Memandangkan iFixit belum mempunyai panduan khusus untuk ini, gunakan sesuatu seperti video ini Ia akan menunjukkan kepada anda cara menggantikan bateri. Bateri gantian boleh didapati di banyak tempat dalam talian. Cuma pastikan anda membeli dari kedai yang disahkan. Banyak bateri tiruan di sekeliling.