If your SIM card is accidentally locked, do not worry, do not guess, put the pukcode out of the box, leading to the complete lock of the SIM card. Taking mobile users as an example, the correct method is:
Log on to the Mobile Online Business Office, click pukcode query link in the "common query tools" column on the ri
Classification of two cases
If PUK lost less than 10 times, take the ID card, SIM card to the Business hall can query the correct PUK code, to unlock "some of the province's online business hall can also check PUK code or through 10086 can also query PUK code", if the Ruyi card
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
Using a lock iphone5, you probably know that you can only use China Mobile's card or Chinese Unicom's OTA card, these cards are 2g sim card, operating WCDMA system operators to launch Usim cards, due to unlock the relationship between the loopholes, Usim
I9250 flash brush tutorial --- root, Sim unlock, upgrade android4.04 + ultimate Finishing
If you don't talk nonsense, start by downloading the Official Google Rom system first.
Https://developers.google.com/android/nexus/images? Hl = ZH-CN
Factory images "yakju" forgalaxy nexus "maguro" (GSM/HSPA +)
Version
Download
MD5 checksum
SHA-1 checksum
4.0.1 (itl41d)
Link
7a0812e985
The data stored by the SIM card can be divided into four categories:the first class is fixed-storage data. This data is written by the SIM card center before the mobile phone is sold, including the International Mobile Subscriber Identification Number (IMSI), authentication key (KI), authentication and encryption algor
the SIM card.* The status of the SIM card must be Sim_state_ready (usinggetsimstate() judgment).*/tm.getsimoperator ();String/** Service Provider Name:* For example: China Mobile, Unicom* The status of the SIM card must be Sim_st
/** Name of service provider:* For example: China Mobile, Unicom* The status of the SIM card must be Sim_state_ready (use Getsimstate () to determine).*/tm.getsimoperatorname ();//string/** Serial number of SIM card:* Requires permission: read_phone_state*/Tm.getsimserialnumber ();//string/** Status information of
SIM Power SupplyVsim is the power supply to the SIM card.During the activation/deactivation process, Vsim output is automatically controlled.The on/off Vsim can also is controlled by directly programming the sim_ctl0(power_on bit[7]).Protocol ModeIn normal case, the SIM card was in Prot_mode 0.---ack/nack (Prot_mode 1)
Public String Readsimcard () {
Telephonymanager TM = (Telephonymanager) this.getsystemservice (telephony_service)//access to related system services
StringBuffer sb = new StringBuffer ();
Switch (tm.getsimstate ()) {//getsimstate () Gets the status of the SIM with the following 6 status
Case TelephonyManager.SIM_STATE_ABSENT:sb.append ("no card");
Case TelephonyManager.SIM_STATE_UNKNOWN:sb.append ("Unknown
AID conflicts. The payment class is made by setting the default app, while the other class is the UI popup selection prompt.4. When the screen is off, HCE is not available, the screen is locked HCE can choose support, or you can choose to prompt the user to unlock and then support.5. In the case of the terminal only HCE no SE, ISO 14443-3 of the non-connected parameters by Android takeover, UID use random number, do not use HCE to implement any UID-b
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