[問題] 手機上網3G變1G?消失
請問
1.為何手機原本3G上網會變成GPRS上網?
2.如何檢查手機硬體裝置(I PHONE以外機型)
該按哪2個鍵?
上網晶片的名稱又是哪一個英文單字?
請大家幫幫忙 謝謝
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