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Step 1:First shut down the phone, and then try inserting the SIM card of the phone several times, as shown in the figure.Step 2:If this is the case, start KO. If not, go to "Settings"-"SIM card management" on the mobile phone to check whether the sim1 and

Mobile Security Guard ------ sim card binding reading contacts on the mobile phone anti-theft page, ------ sim Implemented functions: SIM card binding Read contacts Technical poin

telecommunications users asked the Samsung Note7 whether there is a telecommunications version, whether to support the issue of 4G Telecom. Does Samsung Note7 have a telecom version? Support Telecom 4G network? May be subject to the "one into the telecom deep sea, from the phone is not good to buy" impact, many telecom users are always worried about a hot new machine does not support telecommunications networks. In fact, from this

Oppo has released a new upgraded model Oppo r9s and r9s Plus in the previous release, and these two models have received a good level of attention. There is not much room for upgrades compared to previous products. Network, still support the whole netcom, support dual-card double, still used with or Cato design. So oppo r9s How to install card? The following small set of simple for everyone to bring the Opp

Jing Dong's Virtual communications operating brand named "Jingdong Communications", brand logo and SIM card-like card synchronization release. At present, Jingdong communication is still in the business testing stage. March 21 Night, Jingdong Communications successfully opened the first number, and successfully completed the first call. BEIJING-East communication

　　 Red Meter 3 Card-changing method Tutorial: The first step: the first Red meter mobile phone 3 off; Step two: Remove the pin in the box and remove the SIM card from the upper left side of the fuselage, as shown. Step three: will be prepared Micro-sim small

Red rice Note3 Install SIM card steps: 1, in the red Rice mobile phone has a card to take the needle, we buy a mobile phone in the packaging card will have a

The first method: Get the IMSI code of the mobile phone, and judge that China Mobile \ Chinese Unicom Telecom Telephonymanager Telmanager = (telephonymanager) getsystemservice (context.telephony_service); /** gets the SIM card's IMSI code * SIM card Unique ID: IMSI

Why do you want to import the SIM card contact to the SD card, there are several reasons for this one is to import SD card can set the contact head and so on, another SIM card storage space is limited to import to the SD

1. Look at the following figure is not two looks like the place, in fact, here is a SIM installed, the other is the installation of the phone SD card, oh, we want to cancel out of the use of the phone to buy the needle to poke it. 2. Insert the needle into the small hole in the phone, and don't be afraid to stab it when you poke it. But the intensity should pa