Answer:Hello, to be exact, Huawei C8826D is a SIM card that can be used by all three operators of China Netcom. It is also a dual card dual mode 3G network GSM. CDMA2000 supports 2G frequency band: GSM 900/18003G: CDMA EVDO 800/1900MHz
Answer:Well, the landlord also said that it was right. At the price you have chosen, you can only choose configuration or brand. If it is a brand, let's go to Huawei. Maybe Huawei's configuration is a little lower, but the brand is very good, far more than Coolpad, or your Coolpad configuration is a little better than Huawei's
Answer:Hello, if you can eliminate the setting problem, I suggest you connect the pea pod and backup it. After the backup, restore it to the factory. If it still doesn't work, I suggest you brush the machine or solve it after sales!