Stop topping up every month. 9mobile’s bi-annual plans deliver 165 GB or 600 GB for 180 days at industry-beating rates—just ₦0.30/MB or ₦0.12/MB. Compare the two options, see activation codes, and learn how to grab an extra 1 %–2 % discount via SmartSMSSolutions.
Long-term data plans are gaining popularity as more people work remotely, stream content, or handle essential digital tasks that require consistent and high-volume connectivity. While annual plans can seem daunting or expensive upfront, bi-annual (6-month) plans strike a balance by offering 180 days of coverage at a favorable cost-per-MB.
Why Go Bi-Annual?
|
Benefit |
What It Means |
|
Only two renewals a year |
Pay in January and July—no monthly alarms, no forgotten expiries. |
|
Superior cost-per-MB |
The 600 GB plan slices per-MB cost to ₦0.12—cheaper than most fibre caps. |
|
Project-length alignment |
Six-month remote contract? Semester abroad? One payment covers everything. |
|
Family & SME friendly |
Big pools simplify data sharing across phones, laptops, IoT cams, and smart TVs. |
2025 Bi-Annual Line-Up
|
Plan |
Data Volume |
Price (₦) |
Validity |
Cost/MB |
Activation Code |
|
165 GB Plan |
165 GB |
50 000 |
180 days |
0.30 |
|
|
600 GB Plan |
600 GB |
70 000 |
180 days |
0.12 |
|
All data is all-time—no night or social splits—so you can binge Netflix at noon or push cloud backups at 2 a.m. without juggling buckets.
165 GB vs. 600 GB: Which Fits You?
|
Metric |
165 GB |
600 GB |
|
Monthly Equivalent |
≈ 27.5 GB |
100 GB |
|
Daily Headroom |
≈ 900 MB |
3.3 GB |
|
Ideal Users |
Small families, moderate streamers, POS-plus-CCTV shops |
Large households, gaming clans, YouTubers, co-working hubs |
|
Risk |
Run out early and buy pricey top-ups |
Over-buy if you use < 60 GB/month |
|
Up-Front Cash |
₦50 000 |
₦70 000 |
Rule of Thumb: If you averaged more than 60 GB per month last quarter, jump straight to 600 GB—you’ll save cash and avoid mid-cycle panic.
Cost-Per-MB Economics
|
Scenario |
Six-Month Spend |
Total Data |
Effective Cost/MB |
|
600 GB Bi-Annual |
₦70 000 |
600 GB |
₦0.12 |
|
80 GB Monthly × 6 |
₦90 000 |
480 GB |
₦0.19 |
|
50 GB Monthly × 6 |
₦60 000 |
300 GB |
₦0.20 |
|
425 GB Quarterly × 2 |
₦100 000 |
850 GB |
₦0.12 |
The 600 GB plan matches the stellar ₦0.12/MB of the quarterly 425 GB option, but demands one fewer renewal and ₦30 000 less upfront cash than paying two quarters at once.
Save 1 %–2 % Instantly With SmartSMSSolutions
Why pay sticker price? Buy through SmartSMSSolutions and pocket an immediate micro-discount.
- Open https://app.smartsmssolutions.com/pages/airtime-data/products .
- Sign up or log in.
- Select 9mobile → Corporate → choose 165 GB or 600 GB (180-day).
- Pay with card, bank, or wallet.
- Discount (usually 1 %–2 %) is applied automatically—₦700–₦1 400 saved on the 600 GB bundle.
The data activates instantly on your SIM; no extra USSD required.
Activation & Management
- Load Airtime: Ensure balance ≥ plan price (or buy via SmartSMSSolutions).
- Dial Code: Use the table code or 200 → Data Plans → Bi-Annual.
- Confirm: You’ll receive an SMS with remaining data and the exact expiry timestamp.
- Check Balance: Dial
*228#or open the My9mobile app anytime. - Auto-Renew: Off by default; enable during purchase if desired.
Data Sharing
Add up to four sub-lines: *229*PIN*Volume*Recipient# – Example: *229*0000*5000*0809XXXXXXX# to gift 5 GB.
Best Practices To Stretch Six Months Of Data
|
Tip |
Why It Matters |
|
Set Monthly Quotas |
Divide 600 GB into 100 GB/month and track via router logs or the My9mobile app. |
|
Stream Smart |
1080 p YouTube eats ~3 GB/hr; dropping to 720 p halves usage with minor quality loss on < 15″ screens. |
|
Batch Updates |
Schedule Windows/macOS patches for off-peak hours to avoid congestion and retries. |
|
Use MiFi Traffic Meters |
Cap kids’ devices or CCTV uploads to prevent silent data drains. |
|
Enable Data Saver Modes |
Android/iOS Low Data Mode curbs background sync by up to 60 %. |
Potential Pitfalls & Fixes
|
Pitfall |
Solution |
|
Sticker Shock |
Top up airtime gradually over two weeks, or load your SmartSMSSolutions wallet in installments. |
|
Coverage Change Mid-Plan |
Test signal in any new location with a small daily bundle before relocating your main SIM. |
|
Over-Consumption |
Use router QoS to rate-limit high-bandwidth devices; switch Gmail, OneDrive, and Photos to upload on Wi-Fi only . |
|
Forgotten Expiry |
Set a calendar alert 10 days before day 180; renew early to roll over leftovers. |
FAQs
Is there any Fair Usage Policy on 600 GB?
No published throttle point. Speeds depend on tower congestion, not a soft cap.
Can I transfer the plan to another SIM?
Plans are tied to the purchasing SIM. You can share or gift data but cannot migrate the full bundle.
Does unused data roll over?
Yes—renew with the same or a higher bi-annual bundle before expiry and carry leftovers forward.
Is 5 G supported?
If you’re in a 9mobile 5 G pilot zone, the plan works seamlessly; data depletes at the same per-byte rate.
Can businesses get VAT invoices?
Purchases via SmartSMSSolutions generate transaction receipts suitable for bookkeeping.
Final Verdict
- Light-to-Medium Users (≤ 30 GB/month): You’ll overpay on 165 GB; consider quarterly 75 GB or monthly 24 GB instead.
- Moderate Users (30–60 GB/month): The 165 GB plan is comfortable, but check if two quarterly 75 GB bundles might cost less overall.
- Heavy Users (≥ 60 GB/month) & SMEs: The 600 GB behemoth reigns supreme—lowest cost-per-MB, fewest renewals, and ample room for surprise spikes.
Whichever tier matches your appetite, remember to leverage SmartSMSSolutions for that 1 %–2 % instant discount, monitor usage monthly, and share responsibly. With those habits, 9mobile’s 6-month plans keep your household or workplace humming for 180 straight days—no meter jitters, no top-up detours, just seamless, long-term connectivity.