identify sim card carrier

Step 1:1. First shut down the mobile phone, and then as shown in the figure below, we will deduct the rear cover of the mobile phone, and re-insert the SIM card for multiple times.Step 2:2. If we are sure that SIM card insertion is OK, we still cannot identify the boot of ou

Android gets SIM card carrier Information Telephonymanager TM = (telephonymanager) Context. getsystemservice (context. telephony_service );Use of telephonymanagerTelephonymanager provides the entry for obtaining Communication Service Information on the device. The application uses this method to obtain the service provider or status of the phone. The program can

Android gets the mobile phone SIM card carrier, androidsim Directly run the Code: /*** Get SIM card carrier ** @ param context * @ return */public static String getOperators (Context context) {TelephonyManager tm = (TelephonyMana

Why R9 can't recognize the SIM card? 1, R9 mobile phone only support the mini SIM card or nano SIM card, the other cards are not supported so you can check. 2, confirm the insertion of the

What to do if the SIM card cannot be read 1 first to say the simplest one reason, check the SIM card is not plugged in, the reverse, the phone must not be able to read the SIM card, then we need to reinsert the

at any time. Simply put, the current "small paper" SIM card virtualization. This new E-sim card standard could be the new standard for iphones and Android. E-sim cards are not really virtual SIM cards in the strictest sense. I

in the picture. 2, will be ready for the Nano-sim card Tanka/or dual cards in the Cato, pay attention to the positive and negative design of Cato, insert a dual card to avoid inserting one. When inserting 2 SIM cards at the same time, SIM1 is the default data card. The N

and no oxidation. SIM card contact with mobile phone card block is part of the metal, if the metal is oxidized or surface dirty, will cause SIM card and mobile phone card block contact is bad, resulting in no

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 sim2 cards are enabled:Step 3:If there is no

"note" Millet Max will be designed with a triple two card slot, either with dual SIM cards (Micro Sim+nano SIM) or Tanka +TF card, the highest support for 128GB external memory card expansion. ： Support Dual-

From the specific details, QQ member SIM card will have a large number of privileges, such as the first time to buy more than 100 yuan to send growth doubling card, 100 yuan per consumption to redeem a growth double card, at the same time the user can also get selection number, member growth value, package sharing priv

SIM card lock settings1. The following uses the Android mobile phone as an example. Open the mobile phone and click "menu bar", as shown in the figure."2. Click the set menu button in the menu, as shown in the figure.3. Click "security" here.4. Find "set SIM card lock" in security, as

Disclaimer: This document is provided by colleagues of the company. Configure in custom_nvram_sec.c Example ): Nvram_ef_sml_default [0] represents Card 1 configuration, nvram_ef_sml_default [1] represents Card 2 configure const nvram_sml_context_struct nvram_ef_sml_default [2] = {// Card 1 Configuration {Sml_magic_head_value, # Ifdef custom_sml_default Custom_s

Note: The Nano SIM card and the Micro SIM card are two different types of cards, please do not insert the IPhone5 supported nano SIM card into the W2014 Micro SIM

Note: The equipment supports China Unicom, Chinese Mobile, telecom 4G Network, supported by the SIM card for Nano-sim card. Note: SIM card is provided by China Mobile, Usim card is prov

addition, some States are controlled by the account, some are controlled by the operator (*), and some are controlled by control Center (* *). Learn more about Fast Start differences. SIM card Status Description Global Transfer * * The SIM card will become a

provided by the carrier. Sim Card burned. When Pin When the code is enabled, you need to use Pin Pair Sim Card unlock. 1.2 Pin2 code It is used when mobile phone billing is set. If you enter three errors, you need to use Puk2 code Unlock. Currently, China Mobile and China

adopted for the one-plus mobile phone X. One card slot can be used as the microSD card slot.* Mobile/Unicom version instructions1. The SIM1/2 card slot supports the mobile China Unicom 4G network. You can switch the SIM1/2 business mode on the setting interface. If one card has the 4G traffic mode enabled, the other

A: If your mobile phone does not display a SIM card after the SIM card is plugged in, follow these steps. 1. Confirm that the SIM card used is for the mini SIM

If you need to install the SIM card for the Samsung Galaxy A7 (2016), follow these steps:1. Insert the Kari into the small hole on the SIM card to eject the Cato. (Note: Make sure that the pin is perpendicular to the small hole, otherwise it may damage the device.) )2. Gently pull the