How To Check Data Balance On 9mobile: Easy Guide


Staying on top of your mobile data usage is crucial for any 9mobile subscriber in Nigeria. With the right tools, checking your data balance can be simple, quick and stress-free. This comprehensive guide will walk you through the two main methods to check your 9mobile data balance, provide additional tips, and answer frequently asked questions.

How To Check Data Balance On 9mobile


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Using USSD Codes

USSD (Unstructured Supplementary Service Data) codes are a handy way to check your 9mobile data balance right from your phone. USSD codes work on all types of mobile devices, from basic feature phones to smartphones. Here are the main USSD codes 9mobile customers need to know:

Check Main Data Balance

To check your remaining data balance and validity period, dial *228# on your 9mobile phone. You will receive an SMS message with details on your current data balance and when it will expire. This USSD code works for all types of data plans and bundles on 9mobile.

Monitoring your main data balance regularly is a good way to avoid unintended overages or surprises when your data runs out. Topping up right when you receive a low balance notification can help you avoid any disruption to your internet access.

Check Data Pack Balance

If you are subscribed to any special data packs or bundles on 9mobile, you can check the specific balance by dialing *312#. When prompted, select the “Check Data Balance” option.

You will then receive an SMS breaking down your data balances from each active bundle or pack. This is useful if you want to monitor the consumption from a particular data pack you purchased.

Checking your data pack balance also ensures you maximize the full value before it expires. This can help minimize wastage and make your data spend more efficient.

Using the 9mobile App

The official 9mobile Nigeria app provides another simple way to check your data balance. The main benefits of using the app include:

1. Real-time Data Monitoring

The 9mobile app displays your current data balance directly on the homepage when you log in. This allows you to monitor your data consumption in real-time without having to manually check balances.

Watching your data disappear minute-by-minute can make you more conscious about usage and avoid surprises. The visible reminder can nudge you to top up promptly or reduce usage as needed.

2. Review Previous Data Usage

The app allows you to view your data usage for previous months and cycles. Analyzing historical usage patterns can help shape your data purchase decisions for future needs.

You can identify if you typically use more data at certain times of the month or observe trends in your consumption habits. These insights allow you to select the optimal data plan or bundle sizes.

3. Automated Low Balance Alerts

You can enable notifications for when your data balance runs low. This gives you the opportunity to renew your bundle or activate a data plan extension before you run out.

Staying ahead of your data needs ensures you have uninterrupted internet access at all times. You don’t have to worry about missing important messages or being unable to use data-driven apps.

How to Check Data Balance on 9mobile App

  1. Download and install the 9mobile Nigeria app from Play Store (Android) or App Store (iOS).
  2. Register an account or login with your 9mobile number.
  3. Your main data balance and validity will be shown on the app homepage.
  4. Tap on “More” and select “My Data” to see details for data packs and previous usage.
  5. Enable low balance alerts by tapping the bell icon and customizing alert preferences.

Additional Tips for Checking 9mobile Data Balance

  • Check your balance frequently – at least 2-3 times a week or more often if you are a heavy data user. This helps you stay in control.
  • Be aware of one-off data deductions like app updates or automatic video playback that can eat into your balance.
  • Low balance alerts don’t guarantee your data won’t run out in between notification cycles, so stay vigilant.
  • If you use public WiFi frequently, disable mobile data to avoid background usage.
  • Delete unused apps and enable data saving modes on apps to optimize data consumption.
  • Monitor usage by secondary users or family members on shared/family plans.
  • Keep an eye out for 9mobile data promos and seasonal offers to maximize savings.
  • Understand your Data plans validity, rollover data, and overage charges to avoid surprises.

Troubleshooting Tips

If you are having issues checking your data balance through USSD codes or the 9mobile app, some troubleshooting tips include:

  • Update the 9mobile app or restart your phone – there could be a minor glitch
  • Ensure your phone has network coverage when making the balance check
  • Dial the USSD code again slowly and carefully to rule out human error
  • Use an alternative phone to check if the issues are device-specific
  • Contact 9mobile customer service through phone, chat, social media to report persistent troubles
  • Visit a 9mobile store if you need hands-on support with troubleshooting
  • Check if you have any outstanding payments that could affect balance checking services

Frequently Asked Questions

1. Are there any charges for checking my data balance?

No, checking your data balance via USSD and the 9mobile app is totally free. You can check as often as you need with no extra charges.

2. How current is the data balance information?

The 9mobile app shows real-time data usage. For USSD, there is usually a brief delay before the updated balance is reflected via SMS. But it’s generally accurate to within the last few minutes of usage.

3. What happens if I use data after it expires?

Once your data reaches zero validity after expiration, browsing will cease. You’ll need to renew your plan or purchase a one-off bundle to resume usage. Some plans also involve out-of-bundle overage rates.

4. Why is my data balance deducted even without using the internet?

Background app data, software updates, automatic cloud syncing and other activities may use your data passively. Disable background data use and review app settings to minimize this.

5. Can I transfer data balance from one mobile line to another?

No, data bundles and allowance are tied to the individual SIM and MSISDN and cannot be transferred. You can gift data by purchasing a specific data bundle for another 9mobile number if needed.

6. How do I check data balance without airtime credit?

USSD codes and the 9mobile app work even without airtime credit. As long as your SIM is active, you can check data balances when you have zero airtime.

7. What happens to my unused data when it expires?

Once your data bundle validity period expires, the unused data also expires and your balance will reset to zero. Some special plans may allow rollover data, but generally unused data does not carry over after expiry.

8. Can I get data balance alert even if I don’t have credit?

Yes, you can enable the low balance data alerts in the 9mobile app even without airtime credit. The alert SMS will be delivered once you recharge your airtime.


Monitoring your data balance is vital to get the most value from your mobile data and avoid costly overages. 9mobile makes it convenient to check data balances directly from your phone using hassle-free USSD codes. The 9mobile app offers even greater visibility and control over real-time data usage.

Using these balance checking options regularly, setting alerts, and combining them with smart data management allows you stay effortlessly on top of your data needs. You can identify the optimal data bundles for your usage patterns and maximize savings. With responsible data balance monitoring, you can enjoy seamless connectivity across Nigeria on the 9mobile network.


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