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The measure to lock Mobifone SIM and block the phone number is a way for Mobifone network users, who are the official subscribers of this network, to easily suspend the usage of their network number in case of loss or when unable to contact friends and family due to a lost phone or SIM card.
How to lock Mobifone SIM card
1. Use the Mobi SIM Lock Hotline
This is the option where you will need to directly contact the Mobifone customer service hotline to get assistance on locking the Mobifone SIM when users accidentally lose their numbers. You can choose to contact the Mobifone hotlines as follows:
- Mobi Hotline: Dial 1800.1090 for both on-network and off-network Mobifone subscribers.
- Mobifone On-network Hotline: Dial 9090.
- Additionally, you can use the method of calling Mobifone hotlines through the My Mobifone app for Android and iPhone, which can be downloaded here:
+ For Android devices: Download My Mobifone for Android.
+ For iPhone devices: Download My Mobifone for iPhone.
2. Lock Mobifone SIM at Mobifone stores
You can also opt for the method of locking Mobifone SIM at Mobifone transaction centers to receive direct assistance from Mobifone customer service representatives. They can provide help in locking or even reissuing a SIM card within a few minutes.
- Procedures for locking Mobifone SIM
+ Provide the 5 most recent contact numbers within the last 1-3 months.
+ National ID number and subscriber name.
+ Current phone balance information.
+ Amount of the most recent recharge.
Additionally, you can use these procedures to register and reissue your official Mobifone SIM card.
3. Important notes when locking Mobifone SIM
- You can only lock the Mobifone SIM if you have registered as the official SIM owner or have provided official information.
- To unlock the Mobifone SIM, you can refer to the article on unlocking locked SIM cards for various networks.
- There is no charge for performing the Mobifone SIM lock; it's entirely free.
So, we have just explored the steps to lock a Mobifone SIM when it's lost or when users want to temporarily block the phone number in the shortest possible time. Additionally,
- If you're using the Viettel network, check out how to lock Viettel SIM.
- If you're using the Vina network, refer to the steps to lock Vina SIM.
https://Mytour.vn/cach-khoa-sim-mobifone-24063n.aspx
Moreover, the information about preserving your phone number during network transfers is currently of great interest. This network also supports users in registering online transfers. You can refer to the article on Online Number Preservation Registration by Mobifone for more details and steps.
