

Left: Samsung Galaxy S9 Center and right: Pixel 2 XL
What is my device name android android#
On some phones-like those running stock Android Oreo (8.x)-you may need to head into the System menu first to see the About Phone item. It is not advisable to set MCC and MNC in and by the mobile subscriber.On the Settings screen, scroll all the way down to the bottom and look for the About Phone section. If you set the MCC and MNC of Airtel, The phone can use data only when the Airtel network is selected. If the user sets the MCC and MNC value, the phone will allow getting data service in PLMN which has configured MCC and MNC values only.įor example, if you are carrying a sim card from TMobile USA and roam in India. When mobile phones roam, it comes under a PLMN, which is identified by the MCC and MNC pair. Till now you may never worried about what is MCC and MNC in APN? You do not need to worry.īut while selecting APN manually, you see that it has many settings, MCC and MNC are two of them.

Which one it will select, determined by the data requirements. The phone selects only one of them for data. HLR sends a list of APNs in the subscription profile during camping on a network. Go to settings -> Connections->Mobile Networks-> Access Point Names.
What is my device name android update#
How does an APN string encode in the network protocol messages?ĭuring the location update procedure, while attaching, HLR sends the APN to the roaming network as part of the subscription data. Multiple MNCs lead to having multiple APNs by the same operator in the same country. A mobile operator may have multiple MNC within a country. – This belongs to the mobile operator with MCC as 345 and MNC as 234. uk – This name belongs to a UK-based mobile company.Īirtel.in – This name belongs to the Indian mobile operator Airtel. Internet – This name has no information for the serving mobile operator or company. The string may contain operator information by including MCC and MNC digits or just a plain string with no such information. The roaming network needs to do a DNS lookup to get the IP address of the GGSN/PGW, before starting any signaling. The format is a string type that may consist of alphabets, numbers, and other characters. There can be multiple APNs for a subscriber. During attach, Mme downloads the EPS-Subscribed QoS profile.

Each SIM has an EPC profile that contains the APN name and quality of service. In the case of 4G, HSS stores the APN profiles. On network attach, SGSN downloads APN and QoS profiles for the subscriber. HLR provisions the list of APNs and QoS profiles for 3G subscribers. After getting GPRS access, it attaches to the GGSN and sets up a tunnel for the internet by using a GTP to create PDP context.

For accessing data service, SGSNin the roaming network does the signaling with the HLR for GPRS registration. When a subscriber roams, it attaches to the home network for services(voice, SMS, and data).
