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Understanding Why Your Viettel SIM Gets Locked
Common Reasons for Viettel SIM Locking:
- Incomplete personal information registration leading to one-way or two-way SIM locking.
- Failure to pay postpaid fees as per regulations.
Objective Reasons for SIM Locking:
- Incorrectly entering the scratch card code five consecutive times.
- SIM expiration.
II. Ways to Lock Your Viettel SIM: Unidirectional, Bidirectional
1. How to Report a Lost Viettel SIM
Reasons to Lock Your SIM After Losing Your Phone:
One effective solution to temporarily lock your Viettel SIM is to contact the Viettel hotline (1800.8098). This method allows for proactive and quick action. To save time, before calling customer service, prepare necessary procedures such as:
- Owner registration details include: Full name, ID card/CCCD, date of issue.
- 5 regularly used phone numbers, latest card top-up information.
- Services currently subscribed on the subscriber number.
2. How to lock Viettel network sim 1 way, 2 ways
Blocking one-way sim (blocking Viettel sim one-way) & blocking two-way when losing your phone to avoid being targeted by scammers making calls, fraudulent messages.
Procedure: All you need to prepare is the owner's ID/CCCD and 5 frequently contacted numbers, the denomination of the latest phone top-up card.
Method 1: Temporarily locking Viettel sim via hotline
- Report blocking from Viettel number: Call 198.
- Report blocking from non-network number: Call 18008098.
Note:
- Fee for sim locking: Free of charge.
- Hotline contact time: 24/7.
- The duration for keeping the number when locking the sim is 60 days, if you want to reissue the sim, please visit Viettel store within the mentioned period. After 60 days, the system will automatically recover the locked subscriber back to the pool.
Method 2: Locking Viettel network sim at Viettel transaction counter
If concerned about incurred charges on the sim or undesired outgoing calls, you can directly visit the nearest Viettel store to request sim locking.
Method 3: Locking Viettel sim one-way online on My Viettel
Step 1: Log in to the My Viettel application on your phone.
Step 2: On the homepage, tap the icon with 3 horizontal lines.
Step 3: Tap on the profile picture, then select 'Request to block outgoing calls'.
Step 4: Enter your ID number, security code, and tap 'Block outgoing calls'.
III. How to unlock Viettel sim at home
* Case 1: Unlocking sim locked two ways
You need to bring your ID/CCCD to the nearest Viettel store to request unlocking.
* Case 2: Unlocking Viettel sim after 5 wrong top-ups
When entering the scratch card code incorrectly 5 times, your sim will be locked. In this case, you can use another phone number to call Viettel customer service center (197, 198, 18008198) and provide information about the locked subscriber to get assistance in unlocking.
* Case 3: Unlocking one-way lock due to Viettel subscriber's expired usage
If the sim is blocked one way due to expired usage, you only need to top up your account to unlock & use normally (top-up denomination is arbitrary).
* Case 4: Unlocking one-way lock due to Viettel sim not standardized subscriber information
Method 1: Compose a message with MO format and send to 195
Method 2: Use My Viettel app to unlock
Execution method: Download and log in to the My Viettel app > Send a request to cancel one-way block due to incomplete information.
Method 3: Call Viettel hotline 18008098 and request one-way unlock
* Case 5: How to unlock Viettel postpaid sim blocked two ways
Method 1: Sim not deactivated
You just need to pay the postpaid bill by topping up scratch card to unlock & continue using.
Method 2: Sim already deactivated
You need to bring your ID/CCCD and sim card to Viettel's main transaction point to request assistance from staff to unlock.
* Case 6: Unlocking Viettel sim unused for a long time
For prepaid subscribers:
- Locked one way: You just need to top up the phone card and the sim will automatically unlock.
- Locked two ways: Within 30 days from the lock date, you can unlock the sim by topping up your phone card.
For postpaid subscribers:
- Locked one way: Payment of subscription fees as required.
- Locked two ways: Visit Viettel store directly to declare information again and request guidance for unlocking two ways.
Another solution is to download the My Viettel app. Currently, My Viettel offers many features including contacting the hotline to unlock Viettel sim.
Above is the guide on how to securely, effectively, and quickly lock Viettel sim when losing your phone, hoping to provide information for you to achieve your desire. Additionally, if unfortunately your sim is lost or locked and cannot be reopened, you can refer to how to reissue Viettel sim here.
- See more: Reissuing Viettel sim
Moreover, Viettel money transfer is also a very useful feature that helps many people easily transfer money. To transfer money from Viettel to Viettel, besides composing text messages, you can use My Viettel, i-Share.
Viettel subscribers offer many conveniences, even the My Viettel app allows you to register your Viettel subscriber information quickly without having to go to the store. Although registering subscriber information is not as important now, if you want to have an official sim, you can refer to the guide to register Viettel subscriber information here.
In addition, Viettel's 4G packages are currently becoming very attractive with competitive prices. Readers can refer to Viettel 4G packages here and learn more about this issue.
