SA 5G Signal vs NSA 5G signal difference

Wondering about NSA and SA 5G signals? Let’s break it down!

NSA 5G (Non-Standalone)

  This is 5G that teams up with 4G.  

- Uses existing 4G networks as its backbone.  

- Faster than 4G but not "full 5G."  

- Quick and affordable for telecom companies to set up.  

  Think of NSA 5G as a 4G-5G mashup—it’s speedy but still leans on older tech.

SA 5G (Standalone):

  This is 100% pure 5G goodness!  

  - Runs on its own 5G core, no 4G needed.  

  - Offers super-low latency (quick response) and next-level features.  

  - Perfect for futuristic stuff like smart cities or self-driving cars.  

  - Takes more time and money to build.  

  “SA 5G is the real deal—built from the ground up for a next-gen experience!”*

What’s the Difference between SA and NSA 5G?

NSA 5G is like a shortcut—faster than 4G but tied to it. SA 5G stands alone, delivering the full power of 5G. For now, NSA is more common, but SA is the future.

Keywords: NSA 5G, SA 5G, 5G network comparison, standalone vs non-standalone 5G, 5G explained simply.

The Security Advantages of eSIM Technology in Smartphones

One of the key advantages of modern eSIM technology is the added layer of security it provides, especially in the event of smartphone theft.

In the past, smartphones often had removable batteries, making it easy for thieves to power off the device. However, most modern smartphones now feature built-in batteries, and many require a password, pattern, or biometric authentication to shut down — preventing unauthorized power-offs.

Despite these improvements, traditional SIM cards remain a vulnerability. If a thief can access the SIM card slot and remove the SIM, they can cut off the phone’s cellular connection, making it harder to track or secure the device.

This is where eSIMs offer a significant advantage. Since an eSIM is embedded within the phone as a digital component, not a physical card, it cannot be removed or swapped out by a thief. This ensures the device stays connected to the network, allowing you to quickly track, lock, or wipe your phone using services like "Find My Device" or "Find My iPhone" — provided you’ve set up these security features in advance.

By eliminating the physical SIM card, eSIM technology helps close one of the biggest loopholes in smartphone security, offering peace of mind and better protection against theft.

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Additional Advantages of eSIMs:

• ✅ Remote SIM Management: You can switch carriers or activate a new plan without needing a physical SIM card.

• ✅ Dual SIM Support: Many eSIM-enabled phones support multiple profiles, allowing you to use two numbers (e.g., work and personal) without needing a second physical SIM.

• ✅ More Space for Better Design: Without a SIM tray, manufacturers can use the space for larger batteries or improved components.

• ✅ Water and Dust Resistance: No SIM tray means fewer entry points for water or dust, improving phone durability.

• ✅ Travel-Friendly: Easily add a local data plan when traveling internationally without swapping physical SIM cards.

Airtel Missed Call Alert : Activation , Deactivation code for Airtel Missed Call Alert through SMS , USSD code

Missed call alerts in Airtel : Activate or Deactivate

If you are in not reachable location or if your phone is switched off condition, you can get missed call alerts through SMS from Airtel once you get back the signal coverage area or switch on your mobile phone.
Airtel call this facility as Missed call Alerts. This article describes how to activate , deactivate the service through USSD code method.

To Activate missed call Alerts in Airtel:

1. To activate missed call alert, from your Airtel mobile number dial the ussd code *321*882# 
2. You will be charged Rs 5 for 7 days and you will be auto renewed after 7 days if you have sufficient balance, ie.Above Rs 5 in your main Account.

 You can deactivate missed call alerts on Airtel whenever you want.

To deactivate missed call Alerts in Airtel

1. To deactivate missed call alert, from your Airtel mobile number dial the ussd code *321*883#
2. Deactivation does not include any cost and it is free of charge.

You can also deactivate through computer voice facility by dialing 155223 (toll free number)

Airtel ISD rate cutter packs to Malaysia Singapore | Activation code

In the era of Internet where Internet voice call is becoming more familiar with Whatsapp voice call, Skype voice call and so on, here we are going to look for ISD packs provided by Vodafone mobile network.




The only drawback of Internet voice call is ther will be some delay of receiving voice if the speed is slow. Otherwise, it is very cheap if we put optimum Internet pack.

If you are not having smartphones or do not have internet packs or you bored of delayed audio calls, then you can go for ISD rate cutters.

The following are the ISD rate cutters provided by Airtel to Singapore and Malaysia.

ISD Rate Cuter Price (INR)	Description	Validity
22	Singapore at 2ps/Sec and Malaysia at 3ps/sec	28 days
71	22 Free Mins to US/ Canada/ Singapore/ Malaysia	30 Days

Airtel Post Paid quick bill pay 3 steps:

Now Airtel joined hands with bill desk to enhance the experience of postpaid customers while bill payment.

3 Steps to Pay Airtel Postpaid Bill Quick and Easily:

1.    Go to Airtel- Bill desk Payment website .
       https://pay.airtel.in/online-payments/postpaid-mobile-bill.jsp
       Enter Your Mobile number and Click Know your bill option to confirm your bill amount, mobile  number

2.    Type your mail ID, Amount of bill to be paid and Click Next

3.    Choose your payment method. Pay your bill, get online confirmation message.

You are done with the process.

To know how much bill I want to pay, just SMS BILL to 121
or
Dial *121# from your postpaid Airtel number.
 

Get PUK code & Reset PIN number :Dialog | MobiTel | Etisalat | Hutch | Airtel Srilanka

Each SIM card has its unique default PUK code and it can be provided only by respective mobile network.So, do not try any PUK generating software online.

Dialog, Mobitel, Etisalat, Hutch, Airtel  are the leading mobile network providers in Srilanka. The SIM cards provided by these networks are equipped with a PIN number to ensure security of the customers.

If you enter the PIN code wrongly for three times, then the phone will be locked and ask for PUK code. If you enter PUK code wrongly for 10 times, then the SIM will be permanently blocked and you have to buy a new SIM .

So, In order to retrieve your PUK code and reset the PIN number , follow the procedure provided below for your network.

>Dialog

By default the PIN number for all Dialog SIM cards will be 531531 . But now if it is locked , then you have to reset.

In a piece of paper, note down your SIM number printed on the SIM card.

If you are calling from another Dialog mobile, then call 1777 and choose the option to unlock PUK or speak with customer care.

If you are calling from landline ,other network or from other country then call +94 777 676 576

Note the PUK code provided and enter it in the locked phone.

Reset your PIN number with new one.

Now your phone will be unlocked and you can use it normally

>MobiTel

In a piece of paper, note down your SIM number printed on the SIM card.

If you are calling from another M1 mobile, then call 1717  and choose the option to unlock PUK or speak with customer care.

If you are calling from landline ,other network or from other country then call +94 712755777

Note the PUK code provided and enter it in the locked phone.

Reset your PIN number with new one.

Now your phone will be unlocked and you can use it normally.

>Etisalat

In a piece of paper, note down your SIM number printed on the SIM card.

If you are calling from another Etisalat mobile, then call 123 or 1727  and choose the option to unlock PUK or speak with customer care.

If you are calling from landline ,other network or from other country then call +94 72 212 3123

Note the PUK code provided and enter it in the locked phone.

Reset your PIN number with new one.

Now your phone will be unlocked and you can use it normally

>Hutch

In a piece of paper, note down your SIM number printed on the SIM card.

If you are calling from another Hutch mobile, then call 1788  and choose the option to unlock PUK or speak with customer care.

If you are calling from landline ,other network or from other country then call +94 785 785 785

Note the PUK code provided and enter it in the locked phone.

Reset your PIN number with new one.

Now your phone will be unlocked and you can use it normally

>Airtel

If you are using  Airtel - India,Kenya, other countries , Click here.

1. In a piece of paper, note down your SIM number printed on the SIM card.
2. If you are 
• calling from another Airtel  mobile, then call 555  and choose the option to unlock PUK or speak with customer care.
• If you are calling from landline ,other network or from other country then call +94 755 555 555
3. Note the PUK code provided and enter it in the locked phone.
4. Reset your PIN number with new one.
5. Now your phone will be unlocked and you can use it normally.

If you are using smartphones, try to avoid using PIN code of SIM card .Better use some App locking application like Applock, 360 security .You can securely download them from Google play store for free of cost.

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Airtel : Activate Voicemail | Send Recieve Procedure | Costs

By Activating Voice mail in Airtel, we can stay connected and send / receive important communications with your Airtel family members and friends even if the phone is switched off , not reachable in remote locations , busy or in flight mode.



This article explains the procedure to activate Airtel Voice mail, Setup Voicemail and How to use it effectively. Voicemail Procedure is same for both Airtel Postpaid and Airtel Prepaid customers.
Expand the below topics one by one to know more.

>>To activate & Setup Voice mail

From your Airtel mobile number , Dial the USSD code *321*671# and Press call Button.
You will receive a pop up message or SMS as Confirmation for the activation for Voice mail Setup.
Hereafter you are able to send or receive Voice mail in Airtel.

If you want to deactivate voice mail facility , then press *321*673# from your Airtel mobile number.

>>To receive / Hear Voice mail

If your phone is switched off for a long time or in not reachable location, then your dear ones might send you a voice mail.
It will be stored in a separate voice mail box.
You can hear the voice Mails sent to you by dialing to the number 52555
If you are in outside your state or in roaming region, then you have to dial 09810098200 for hearing voice mails.

>>To send Voice mail,

Dial * 10 digit recipient number and call.
After hearing a beep sound, record your voice for maximum 30 seconds
Press # to send

>>Costs and Charge for Voice mail

If you are inside your state or circle, then Hearing voice mail is free for 1st time. 75 paise for 2nd time onwards.
If you are in roaming, then roaming call charges applicable for voice mail hearing.
You can store maximum 30 voice mails in your account.

For sending voice mail, one voice mail costs 75 paise.

Voice mails are familiar in Western countries, but in India Voice mails do not used as much, One of the reason is the Indian People mindset is they need immediate response for mobile phone calls, and another reason is the doubt that the mail is heard by the receiver or not.

Convert your Current Prepaid plan to postpaid (Vice Versa) without changing the number

Expand your mobile network to see the Procedure for Postpaid to Prepaid migration and Vice Versa.

> Aircel 

• Aircel makes this migration process very simple through online itself.
• AIrcel Introduced a new option called design your own plan. YOu can go to the aircel official website and select this option and choose any Prepaid or postpaid plans that suitable for you by providing your current mobile number.
• WIthin one day AIrcel customer care person will call you and confirm the request and proceed to change the Prepaid to postpaid plan and vice versa.

>Vodafone

• In vodafone the process is Very simple.
• Just download the below form , fill it and submit in the nearest vodafone store.
• Vodafone Postpaid to Prepaid Migration Form Here..
• Vodafone Prepaid to Prepaid Migration Form Here..

>Airtel 

• In Airtel you have to approach the nearest Airtel Retail shop to do the conversion or migration process from Prepaid to postpaid and vice versa.
• No charges will be deducted for this conversion process in Airtel

>Tata DoCoMo

• Currently online migration of Docomo prepaid to postpaid or Postpaid to prepaid is not possible. You should request through complaint helpline number 198 or approcach the nearest Docomo retail center.

>Idea cellular 

• Currently there is no option in Idea cellular to migrate from Postpaid to prepaid or vice versa.

> BSNL 

In BSNL GSM , strictly there is no option at present to convert postpaid into prepaid plan or to migrate prepaid sim in to prepaid plan.

The only solution is to get a new SIM card with fresh number.

You can use MNP facility to convert into other network .After 6 months you can switch the same number to BSNL postpaid or prepaid. But note that this trick require 6 months wait period.

>Uninor 

In Uninor You can switch your Postpaid connection to prepaid or Vice versa . YOu have to pay a non refundable amount of Rs 19 apart from SIM cost.

If there is any balance in talk time , they will not be transferred.

For this Uninor migratio process you have to approach your nearest Uninor Store.

> Reliance 

• In Reliance , there is no smooth procedure for this migration of postpaid into prepaid and Vice versa.
• At your own risk you can proceed by contacting any nearest Reliance Retail Shop.

Convert Pay Per Second (PPS) plan from Pay Per Minute Plan in Prepaid

Expand your mobile network to see the complaint numbers of customer helpline number.

> Aircel 

• For Aircel, ERC of 18 Rupees will make the Aircel Prepaid mobile into life time pay per second plan..

>Vodafone

• In Vodafone Pay Per Second is alternatively called as Per Second Pulse.
  You can do a ERC of 44 INR to change to Per second Pulse scheme with lifetime validity.
  But Just Inquire with your customer care before doing this recharge.

>Airtel 

• If you are calling from Airtel mobile then call to toll free number 198
• If you call from other network , call  9810012345 for Postpaid related complaints and queries
• and call 9810198101 for Prepaid related problems and issues.

> Tata DoCoMo

• For Docomo, there is no Pay Per Minute plan. All Tata Docomo prepaids are of pay per second plan.
  I have to remind the Docomo is the first network to introduce Pay per second plan.
  Due to market competition all other Indian networks shifted to this plan with no other way.

> Idea cellular 

• From Idea cellular mobile number, call toll free helpline 198 to request for pay per second Migration.

> BSNL 

• Send SMS as  MSEC to 53733
• You should have balance 36 Rupees for this pay per second conversion.
• The Balance will be deducted once you send the SMS from your BSNL mobile.
• Otherwise you can do a ERC of Rupees 36

>Uninor 

Uninor does not have any pay per second migration scheme. Instead you can do a recharge which offers you per second tarriff for specific validity.

> Reliance 

• By doing One time Recharge ERC of Rupees 49, your prepaid Reliance SIM will convert into Pay Per Second Plan with lifetime validity.
  I advice you to inquire your customer care before doing this plan conversion

Airtel : To Contact Airtel Customer Care from Other networks : Airtel ,Aircel ,Vodafone ,BSNL ,Reliance ,Idea and Uninor

>To contact Airtel customer care

• If you are calling from Airtel mobile then call to toll free number 198
• If you call from other network , call  9810012345 for Postpaid related complaints and queries and call 9810198101 for Prepaid related problems and issues.

>To contact Vodafone customer care

• If you are calling from Vodafone mobile number then Dial toll free complaint number 198
• If you are trying to call from other mobile network then call to 9811098110

>To contact Aircel customer care

• If you are calling from Aircel mobile number then Dial toll free complaint number 198 or Aircel Helpline number 121
• If you want to call Aircel helpline from other mobile network then refer this page to select the complaint number for your state or circle.
• If your complaint is not solved by customer care, you can escalate this issue to Aircel Grievance Redressal which is also called as Appellate authority. Just you need to drop an email
• You can find the email address corresponding to your state in this page.Within one working Day , the customer care official will contact you to solve your complaint.

>To contact Tata DoCoMo customer care

• If you are calling from Docomo mobile then call to toll free number 198.If you are calling from other network then call to the toll free number 1800-266-121

>To contact Idea cellular customer care

• From Idea cellular mobile number, call toll free helpline 198
• From other network Refer this page for your state

>To contact BSNL customer care

• If you call from BSNL mobile itself then call 198
• If you need to call from other network like Airtel, Vodafone etc then call  9415024365

>To contact Uninor customer care 

• From Uninor mobile call 198 or 121  
• From Other network refer this page for your state.

>To contact Reliance customer care

• From Reliance mobile , you have to call 198
• If you want to call from other network mobile, then call following numbers,
  Both Post Paid and Prepaid : (Your city code) 30333333 
• ex:Chennai : 044 30333333
• Only For Jammu Kashmir: 9018090180

Transfer talktime balance from One mobile number to Other with USSD code

You can transfer talk time from your main account to another mobile number of same network . This option is available in all mobile networks.


List of mobile networks with the Procedure to Transfer Talktime balance from one mobile to another mobile

>How to transfer balance in Aircel ?

We can transfer balance in different available denominations starting from 5 Rs to 100 Rs. 

And transfer charge will be charged based on the denominations. Follow the step by step procedure to Transfer the balance. Secret USSD code for balance transfer in Aircel is *122*666#

When You press 1 and confirm , the balance will be transferred to the balance account.

>How to transfer balance in Vodafone ?

Call  *131*<MRP>*<Receiver number>#

For example.

*131*25*9655863558#

Commission fee vary from 1 rs to 3 Rs based on the amount you transfer

>How to transfer balance in Airtel ?

Dial *141# and choose Transfer talk time from the list of options and proceed with the simple steps to complete transfer process.

>How to transfer balance in Tata DoCoMo ?

In Docomo you can't transfer talktime balance, Instead we can gift a sms pack recharge to our beloved docomo friend.
Gift<Space>Target Mobile Number<Space>Gift a recharge amount" and send it to 54321

>How to transfer balance in Idea cellular and  BSNL ?

Idea :Send SMS  GIVE <Mobile number> <Amount> to 55567

BSNL : GIFT 94xxxx3212 200 pwd and send to 54456

Featured Article:

>>How to Recharge Internet From Main Talktime Balance

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