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Mobile Phone SIM Cards

Upon inserting a SIM card into a handset, a user can save a number of contacts and make calls and send text messages to them as a way of keeping in constant communication.

A user would need to use a SIM card. It is inserted into the user’s mobile phone. A SIM card allows one to connect to their preferred network operator.

Nonetheless, for a user to make calls, send a text message (cellular text messages) and use mobile data to connect and browse the internet.

Though a smartphone comes with awesome features among them a super brilliant camera, GPS, fingerprint scanner, Wi-Fi, sensors and many more cool features that are made in a manner that ensures a smooth and easy user interface.

A SIM card is one accessory you simply can’t afford not to have especially if you own a phone or a tablet. It is what enables phone calls, sending and receiving texts and browsing using data in a phone to be possible.

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Subscriber Identification Module

Design

A Subscriber Identification Module (SIM) is an integrated and complex circuit that is made into a finger nail sized chip and is intended to securely keep the identity of a mobile subscriber.

A SIM card makes it possible to store contact information of other mobile subscribers.

Through this feature made possible by the complex finger nail sized chip, smartphone users are able to make calls to other people in their contact list.

To put it simply, a SIM card acts as an intermediary or a middleman between a phone’s hardware and the user. It allows an individual to be in a position to travel between phones.

Case in point, if one upgrades to a new iPhone, the SIM card that they had previously travels provided the slots of the old and new phone are the same size.

A SIM card plays the role of informing the phone that you as a user has an active network service.

It will also serve the crucial role of holding important account information that is transferable.

The information can be shared with another user if an individual decides to share the information.

The SIM card also has the capacity to store the information and display it when inserted to another mobile phone.

It works both as a middleman and a storage device for information at the same time.

many sim cards

International Mobile Subscriber Identity

SIM cards are essentially identified using international subscriber identity.

Mobile operators are able to connect mobile phone calls and keep in touch with their SIM cards using the international subscriber identity.

SIM cards have a similar identical format which is;

The first three numbers which are a representation of the Country Code.

It is important to note that the first three numbers vary from one country to another.

The next two numbers represent the network provider. Different providers use unique numbers that identify the provider.

The subsequent digits identify the individual user. These digits are normally unique to a user and seldom can many people have identical numbers.

Normally there would be 10 digits in total but in some instances, they could be fewer depending on a nation’s regulations.

Types of SIM Cards

In a general sense, there are three types of SIM cards that are being used to date bearing in mind the advancement of technology to this day. 

The three types are; a Standard SIM Card, a Micro SIM card which is smaller in size and the Nano SIM which is the smallest of the three types.

The type of SIM Card that will work for a given user is entirely dependent on the type of mobile phone or handset that they have purchased.

However, it is worth noting that there ways that a SIM card can be made to be fit for whichever phone that you as a user have.

Different SIM card sizes

Standard SIM Card

The first sim card as well as the oldest of the three existing types of SIM cards. They were popular and in use prior to 2010.

It measures about 2.5CM by 1.5CM. As of now a number of new phones that are being released to the market barely features a slot enough for this size of SIM cards.

However slots for Standard SIM can be found in basic phone features.

Micro SIM Card

The noticeable and only real variation between the standard and Micro SIM is the size of the plastic that encompasses the microchip.

The primary goal of a Micro SIM was to ensure that the quest to make smartphones lighter and slimmer was achieved.

The Micro SIM measures a mere 15 by 12 mm. a considerable smaller size compared to the Standard SIM card.

These type of SIM cards were introduced in 2010 as a successor of the Standard Sized SIM cards.

Nano SIM Card

As pointed out earlier Nano SIM cards are the smallest size of the three types of SIM cards.

The type was introduced in 2012. A massive number of new smartphones have been in a manner that only allows the use of this small sized SIM cards.

New high-end Samsung phones and the latest iPhones and other brands of phones feature slots for these SIM cards that measure 12.3 by 8mm.

Combi SIM Card

This a type of SIM card that allows a user to easily break extra plastic if they need a smaller SIM for their phone.

Combi sim allows network provides to cater for the needs of more phone users with a single card.

Most SIM cards from outlets are made in this format as it is more convenient and efficient both for the users and the network providers who would not have to incur the expense of producing different types of SIM cards.

How To Modify Your SIM Card

Sometimes as a user one might be at a point where they want to revert to using an older handset yet in their possession is a micro sim.

In such a scenario a user can purchase an inexpensive adapter from known retailers such as Amazon or even at a close store to them.

One can convert a Nano SIM card to a Micro SIM. Adapter merely provides extra plastic needed to ensure a SIM card is securely fitted in the slot of a given handset.

sim cards sizes

Resizing a SIM Card Size

If a SIM card is bigger for your new handset, there is a way you can make it smaller.

Whilst, this is an effective way, it is incumbent that a user ensures that they are careful as they trim extra plastic.

One can choose from a host of tutorials on YouTube on how to trim a SIM down to size.

Doing it right can help a user in saving them the hustle of having to purchase a new SIM card that they are not accustomed to.

However, one needs to be careful when manually resizing their cards, if as a user you damaged the chip, the SIM card will no longer work.

Benefits of a SIM

SIM cards as explained earlier, are like a crucial middle man who enables you to achieve something.

They make connections between network as such enabling people to call each other over a network, send text messages and also be in a position to use mobile data in accessing and browsing the internet.

When you buy a new handset you simply insert the existing SIM provided the slot is similar to that of the old phone.

If the slots are not the same one can resize the SIM so as to fit the new handsets but they have to be careful in the process lest they spoil the SIM card.

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CMHK Prepaid SIM Card

We have listed all the different CMHK Prepaid SIM Card that is available in Hong Kong below. 

1. CMHK Prepaid SIM Card Tourist 4G/3G (Data-Limits NOT included!)

2017_CMHK_4G_3G_Tourist_Prepaid_01

HK simcat does not recommend buying this prepaid SIM card product from telecom company CMHK because of how difficult it is to understand the terms and conditions.

Also it's very tiresome to go through the entire Internet surfing activation process.

But if you are a tourist/visitor staying for 3 months you probably have the time to visit a CMHK shop. To get expert consultancy in finding your specific needs.

You can find this SIM card product in many common stores in Hong Kong. There are CMHK shops, 7-Eleven, Circle K convenience stores and VanGO convenience stores.

This SIM card product from CMHK supports all of the most common SIM card sizes Mini-SIMMicro-SIM and Nano-SIM.

The Mini-SIM card is also known by these names: Standard-SIM or Normal-SIM.

The speed for this product is 4G/3G.

If you had the patience to jump through all the hoops that CMHK requires from you. Then you can access the most essential social media tools that a tourist needs for navigation and connecting with friends and family.

However you can purchase Internet surfing (Data-Limits) through their website.

But first you need to create an account which might be difficult if you don't already have access to the Internet through some hotel or café WiFi.

You can see what kind of Data-Limits plan they offer from the above table.

 “CMHK" 4G/3G Tourist Prepaid SIM Card (Data-Limits NOT included!) is the telecom company China Mobile Hong Kong's (CMHK) prepaid SIM card for tourists staying in Hong Kong for 3 months.

With 0 GB of starting Internet surfing (Data-Limits), which means that you can't start using the Internet or your favourite apps the minute you insert the SIM card into your mobile phone.

Product page: “CMHK” 4G/3G Tourist Prepaid SIM Card (Data-Limits NOT included!)

Purchase locations:

CMHK shops 7-Eleven Circle K convenience stores VanGO convenience stores

2. CMHK 4G/3G Data & Voice Prepaid SIM Card (5GB, 1800 min)

2017_CMHK_4G_3G_Prepaid_5GB

“CMHK” 4G/3G Data & Voice Prepaid SIM Card (5GB, 1800 min) is the telecom company China Mobile Hong Kong's (CMHK) prepaid SIM card for tourists staying in Hong Kong for 30 days.

With 5 GB of Internet surfing (Data-Limits), it provides you with the most essential social media tools that a tourist needs for navigation and connecting with friends and family.

This SIM card product from CMHK supports all of the most common SIM card sizes Mini-SIM, Micro-SIM and Nano-SIM.

The Mini-SIM card is also known by these names: Standard-SIM or Normal-SIM. The speed for this product is 4G/3G depending on where you are located.

You can find this SIM card product in many common stores in Hong Kong. There are CMHK shops, 7-Eleven, Circle K convenience stores and VanGO convenience stores.

HK simcat thinks that this prepaid SIM card product from telecom company CMHK is their simplest product to understand. 

You know what you get and there are no strings attached when you have depleted all your Data-Limits.  No refill possible however when data runs out! 

But this is still a highly recommended product for tourists.

Product page: ​​​​​"CMHK" 4G/3G Data & Voice Prepaid SIM Card (5GB, 1800 min)​​​

Purchase locations:

CMHK shops 7-Eleven Circle K convenience stores VanGO convenience stores

3. CMHK 4G/3G Super Talk Prepaid SIM Card (Data-Limits NOT included!)

2017_CMHK_4G_3G_SuperTalk_01

“CMHK” 4G/3G Super Talk Prepaid SIM Card (Data-Limits NOT included!) is the telecom company China Mobile Hong Kong's (CMHK) prepaid SIM card for tourists staying in Hong Kong for 6 months.

With 0 GB of starting Internet surfing (Data-Limits), which means that you can't start using the Internet or your favourite apps the minute you insert the SIM card into your mobile phone.

However you can purchase Internet surfing (Data-Limits) through their website.

But first you need to create an account which might be difficult if you don't already have access to the Internet through some hotel or café WiFi.

You can see what kind of Data-Limits plan they offer from the above table.

If you had the patience to jump through all the hoops that CMHK requires from you.

Then you can access the most essential social media tools that a tourist needs for navigation and connecting with friends and family.

This SIM card product from CMHK supports all of the most common SIM card sizes Mini-SIM, Micro-SIM and Nano-SIM.

The Mini-SIM card is also known by these names: Standard-SIM or Normal-SIM. The speed for this product is 4G/3G.

You can find this SIM card product in many common stores in Hong Kong. There are CMHK shops, 7-Eleven, Circle K convenience stores and VanGO convenience stores.

HK simcat does not recommend buying this prepaid SIM card product from telecom company CMHK because of how difficult it is to understand the terms and conditions.

Also it's very tiresome to go through the entire Internet surfing activation process.

But if you are a tourist/visitor staying for 6 months you probably have the time to visit a CMHK shop.

To get expert consultancy in finding your specific needs.

Product page: ​"CMHK" 4G/3G Super Talk Prepaid SIM Card (Data-Limits NOT included!)​​​

Purchase locations:

CMHK shops 7-Eleven Circle K convenience stores VanGO convenience stores

4. CMHK 4G/3G Data & Voice Prepaid SIM Card (Data-Limits NOT included!)

2017_CMHK_4G_3G_Data_Voice_ppSIM_01

“CMHK” 4G/3G Data & Voice Prepaid SIM Card (Data-Limits NOT included!) is the telecom company China Mobile Hong Kong's (CMHK) prepaid SIM card for tourists staying in Hong Kong for 6 months.

With 0 GB of starting Internet surfing (Data-Limits), which means that you can't start using the Internet or your favourite apps the minute you insert the SIM card into your mobile phone.

However you can purchase Internet surfing (Data-Limits) through their website. 

But first you need to create an account which might be difficult if you don't already have access to the Internet through some hotel or café WiFi. 

You can see what kind of Data-Limits plan they offer from the above table.

If you had the patience to jump through all the hoops that CMHK requires from you. 

Then you can access the most essential social media tools that a tourist needs for navigation and connecting with friends and family.

This SIM card product from CMHK supports all of the most common SIM card sizes Mini-SIM, Micro-SIM and Nano-SIM.

The Mini-SIM card is also known by these names: Standard-SIM or Normal-SIM. The speed for this product is 4G/3G.

You can find this SIM card product in many common stores in Hong Kong. There are CMHK shops, 7-Eleven, Circle K convenience stores and VanGO convenience stores.

HK simcat does not recommend buying this prepaid SIM card product from telecom company CMHK because of how difficult it is to understand the terms and conditions.

Also it's very tiresome to go through the entire Internet surfing activation process. 

But if you are a tourist/visitor staying for 6 months you probably have the time to visit a CMHK shop. 

To get expert consultancy in finding your specific needs.

Product page: ​“CMHK” 4G/3G Data & Voice Prepaid SIM Card (Data-Limits NOT included!)​​​

Purchase locations:

CMHK shops 7-Eleven Circle K convenience stores VanGO convenience stores

5. CMHK 4G/3G Individual Traveler Prepaid SIM Card

2016_CMHK_ Traveler_01

“CMHK” 4G/3G Individual Traveler Prepaid SIM Card is the telecom company China Mobile Hong Kong's (CMHK) most common prepaid SIM card for tourists staying in Hong Kong for 5 days

With 1.5 GB of Internet surfing (Data-Limits), it provides you with the most essential social media tools that a tourist needs for navigation and connecting with friends and family.

This SIM card product from CMHK supports all of the most common SIM card sizes Mini-SIM, Micro-SIM and Nano-SIM

The Mini-SIM card is also known by these names: Standard-SIM or Normal-SIM.  The speed for this product is 4G/3G depending on where you are located.

You can find this SIM card product in many common stores in Hong Kong.  There are CMHK shops, 7-Eleven, Circle K convenience stores and VanGO convenience stores.

HK simcat thinks that this prepaid SIM card product from telecom company CMHK is one of their simplest product to understand. So this one is okay.

Product page: "CMHK" 4G/3G Individual Traveler Prepaid SIM Card​​​

Purchase locations:

CMHK shops 7-Eleven Circle K convenience stores VanGO convenience stores

CMHK Service Activation

  1. In Hong Kong call 193 193 to activate your SIM card.
  2. Visit CMHK website or CMHK app to purchase Data-Limits. You might need WiFi to perform this step.

FAQ

Don't know how to say a particular word in your travels?

Just jump on the Internet and show the locals what you mean if there is a language barrier. With the Internet at your fingertips life as a tourist improves greatly no matter where you travel.

Need to keep in touch with your foreign friends but don't have their phone numbers?

Just use Facebook Messenger or WhatsApp for reliable contact information.

Don't know how to find your way to your desired destination in your travels?

Start the Google Maps app for quick and easy directions, no more trying to decipher where you are on a paper printed map.

Conclusion

After reviewing all the differnent CMHK prepaid SIM card we have to recommend the number 2 in our list "CMHK 4G/3G Data & Voice Prepaid SIM Card (5GB, 1800 min)". This is best fit for most tourist since almost everyone today need data traffic to check email, surf the internet, use social media and of course utilise the full potential of Google maps.

HKsimcat's recommended CMHK Prepaid SIM card!

Data Roaming? It’s a Trap!


Data Roaming is a complicated subject both for the Telecom operators and their customers.  To make a long story short, the only thing that you need to know about Data Roaming.

Is that enabling it = Losing money more quickly.

Because currently at the year 2017 there is still no standard charge rates when traveling between different countries.  There is no easy way to predict how much more it will cost you when enabling Data Roaming.  You will only know for sure how much it has cost you, at the end of the month when you get hit by the Roaming Bill Shock.  It’s like the lottery but in reverse you will most likely always win, and when you do you have to pay the gambling company.  In this case it’s the Telecom operators that are the sharks and you the tourist is the fish.  Just knowing this little fact is enough to help you loose money more slowly.  But in the end the “Casino” always wins.

So in conclusion I’ll end with a quote spoken by the greatest fish of them all, Admiral Ackbar.

It’s a Trap!  😉


What you can do to change the telecom industry?

In order to change the telecom industry and improve things for us consumers.  When it comes to traveling between different countries with your mobile phone without fear of getting a roaming bill shock.  You can share your horror stories with the world and together we can build a database of information, to display which companies are going to be the worse for us consumers.

Instagram@realhksimcat  #RoamingItsaTrap

1.) Share your “Roaming Bill Shock” pictures at the above hash tag.
2.) Write origin country and destination country.
3.) Write which operator your phone has.
4.) Write how much extra your monthly bill ended up with.

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