first of all, its not hard to understand, you'll just have to imagine how data flows in the air, in what way, and how fast.
1G is the first generation celullar network that existed in 1980s. It transfer data (only voice) in analog wave, it has limitation because there are no encryption, the sound quality is poor and the speed of transfer is only at 9.6kbps. IT IS STILL IN USE in some country by police, taxi cabs, telephone company.
2G is the second one, improved by introducing the concept of digital modulation- which means converting the voice(only) into digital code(in your phone) and then into analog signals(imagine that it flys in the air). Being digital, they overcame some of the limitations of 1G, such as it omits the radio power from handsets making life more healthier, and it has enhanced privacy
There are 2.5G, which is a transition of 2G and 3G. In 2.5G, the most popular services is the SMS (short messaging service). Of course there are something else like GPRS, EDGE, High Speed Circuit switched data, and more.
For 3G, imagine 2000+kpbs data rates, its not only voice and simple data(message) that be transmit, services such as downloading, video calls, mobile TV, mobile internet are available.
A regular SIM card comes with 32KB of onSIM memory which was sufficient to manipulate data on 2G network. but a 3G SIM card has 128KB of onSIM memory which is beneficial to handle high speed dat access just like more cache memory helps in faster processing. Otherwise there is no other difference between a 2G and a 3G SIM card.
how do you convert to relince 2g sim to 3g relince
As of 2023, many mobile networks in Ireland have phased out 2G services in favor of more advanced technologies like 4G and 5G. However, some smaller providers or specific use cases, such as IoT devices, might still support 2G. It's advisable to check with local carriers for availability and compatibility of 2G SIM cards.
The LG KS360 is compatible with standard SIM cards, specifically GSM SIM cards that operate on 2G networks. It supports various GSM carriers, so you can use SIM cards from providers that offer GSM services. Ensure that the SIM is unlocked or compatible with the phone for proper functionality. Always check with your carrier for specific compatibility requirements.
COMP128 V1 is an algorithm used in older SIM cards for 2G networks to generate the Ki secret key that is shared between the SIM card and the network. It has been widely criticized for its vulnerabilities and lack of security features.
To convert a BSNL 3G SIM to a 2G SIM, you need to visit a nearby BSNL customer service center or retailer. Bring your ID proof and the existing 3G SIM card. Request the conversion to a 2G SIM, and they will provide you with a new SIM that supports 2G services. There might be a nominal fee for the new SIM, and activation could take some time.
2g is 2nd generation 3g is 3rd generation
computers
computers
Purchase a new 3g sim
The iPhone 2G is much slower than the iPhone 3G.
You will have to contact Airtel to convert your 2G phone to 3G. The same sim card can be used for both 2G and 3G, so you will not need to change to a new card.