There are few different sim networks available in the A & N Islands. The most popular networks are BSNL,Airtel & Jio. All of these networks offer 4G coverage in most parts of the islands. 

First and foremost, it is important to note that the Andaman and Nicobar islands are a remote destination and hence, do not have the same level of network coverage as major cities. However, with the increasing number of tourists and the government’s efforts to improve infrastructure, the connectivity in these islands has improved significantly in recent years

Here are some of the best sim networks in A & N Islands : 

Airtel : Airtel is one of the most popular networks in India & it also offers good coverage in A & N Islands. You can get a prepaid as well as a post-paid sim card from Airtel. 

Jio : Jio is another most popular sim network coverage in India & it is also offers a good coverage in the A & N Islands.You can get a prepaid as well as a post-paid sim card from Jio.

The main network provider in the Andaman and Nicobar islands is BSNL (Bharat Sanchar Nigam Limited). BSNL offers 2G, 3G, and 4G services in most parts of the islands. However, the network coverage may vary from island to island. For instance, the capital city of Port Blair has good network coverage, whereas some of the more remote islands may have limited or no network coverage.

Apart from BSNL, private network providers such as Airtel, and Jio also offer services in the Andaman and Nicobar islands. However, their coverage is limited to certain areas and may not be available in more remote locations. It is advisable to check with your network provider before traveling to the islands to ensure that your network services will be available.

One of the main challenges faced by tourists in the Andaman and Nicobar islands is the lack of network coverage in some areas. This can be a blessing in disguise for those looking for a digital detox, but for others, it may be a cause of concern. To address this issue, the government has set up public Wi-Fi hotspots in major tourist areas such as Havelock Island, Neil Island, and Port Blair. These hotspots provide free internet access to tourists for a limited time and can be used to stay connected with family and friends back home.

Another option for tourists to stay connected is to purchase a local SIM card. However, this option is only available to Indian citizens and requires proper documentation. Foreign tourists can also purchase a SIM card, but it may involve a longer and more complicated process. It is advisable to check with your network provider for the necessary documents and procedures before traveling to the islands.

The cost of a sim card in the A & N Islands  varies depending on the network you choose. You can expect to pay around ₹200 for a prepaid sim card & ₹500 for a postpaid sim card. 

To activate a sim card in A & N Islands, you will need to provide your passport or other identity proof. You can also top up your sim card at any of the many recharge  centers located throughout the islands. 

In addition to network coverage, it is also important to note that the internet speed in the A and N Islands may not be as fast as in major cities. This is due to the remote location of the islands and limited infrastructure. However, most hotels and resorts offer Wi-Fi services, which can be used for basic internet needs.

In conclusion, while the Andaman and Nicobar islands may not have the same level of network coverage as major cities, there are options available for tourists to stay connected. From BSNL to public Wi-Fi hotspots, tourists can choose the option that best suits their needs. It is also important to keep in mind that these islands offer a unique opportunity to disconnect from the digital world and connect with nature. So, whether you choose to stay connected or take a digital detox, the Andaman and Nicobar islands are a must-visit destination for their natural beauty and charm.