My Tech World.....
My Tech World is my personal repository of all tech related issues
Sunday, 5 June 2016
How to topup mobile phones in Nigeria without buying recharge cards
This tips is to show how one can topup his/her mobile devices on any network in Nigeria without having to physically buy rechrage cards from vendors. It should be noted however that these USSD codes only work on numbers registered or linked to bank accounts in the following banks.
Thus if you have an account with any of the following banks one can recharge (topup) his registered phone number especially if you are in an area where you cannot buy physical recharge cards.
The USSD codes for all teh banks are;
1. Access bank: *901* amount#
2. Ecobank: *326*amount#
3. Fidelity: *770*amount#
4. FCMB:*389*214*amount#
5. First Bank: *894*amount#
6. GTB: *737*amount#
7. Heritage bank: *322*030*amount#
8. Keystone: *322*082*amount#
9. Skye bank: *389*076*1*amount#
10. Stanbic IBTC: *909*amount#
11. Sterling: *822*amount#
12. UBA: *389*033*1*amount#
13. Unity bank: *322*215*amount#
14. Zenith: *966*amount# or
*302*amnt# (for mtn users)
15. Diamond bank(yellow acct. only):
*710*555*phoneno*amount*pin#
To know your BVN, dial *565*0#.
Tuesday, 22 March 2016
iPhone SE - Cute little phone

The cute little iPhone SE offers the components of the bigger iPhone 6S with a 4-inch screen and a form factor in line with the iPhone 5s.
Apple’s newest phone, the iPhone SE, is here and it’s kinda but not entirely new. The cute little iPhone offers the components of the bigger iPhone 6S with a 4-inch screen and a form factor in line with the iPhone 5s. The round volume buttons and flatter edges also echo those of the 5s.
Along with a size that jibes nicely with smaller hands and pockets is a price to match: It starts at just $400 without a two-year contract. Preorders begin Thursday, and it ships on March 31.
Tuesday, 5 January 2016
Wifi not working on iPhone 4s on iOS8 or Later
If your iPhone has refused to connect to a wireless network especially when the wifi is greyed out under settings. I have a quick temporary step that has worked for me. Follow these steps;
1. Turn off your iPhone or iPad.
2. Put your device in a ziploc bag and seal same.
3. You now put this in a freezer for about 15minutes.
4. After 15mins remove same and power it on.
5. This process should get your wifi up and running.
ps. You can try this process at your own risk and i wont be held liable for any damages whatsoever to your iDevices.
Alternatively one can do one or a combination of the following fixes to get your iDevice up and runnig again.
Fix 1Reboot or Restart your device, Press and Hold Sleep/ Wake button until you show Slide to power off toggle black screen, Otherwise Force restart By pressing and Hold Sleep/ Wake + Hold button at once.
Fix 2
if you are using WiFi dongle or USB adapter then restart it, Might be your device can’t gathering data over air. Or Might be issues with ip conflict.
Fix 3
Reconnect after erase WiFi network details from iDevice. Go to Settings > Wi-Fi > Tap on (i) icon > Forgot This network. Reconnect network by tap on name and enter correct security password.
Fix 4
This one is very useful to most iOS users. WiFi connection waiting for long time/ WiFi continuously searching or WiFi not working on iPhone.
Reset WiFi network setting. Settings > General > Reset > Reset Network Setting.
After that you have to reconnect password as a new connection.
Fix 5
Please check your device up to date, running on latest iOS version. With this you can short out minor bug fixed and improve network interface.
If you tried any alternative fix and it solves a WiFi disabled or WiFi not working error on iPhone, iPad or iPod Touch please share with others in the comments section.
1. Turn off your iPhone or iPad.
2. Put your device in a ziploc bag and seal same.
3. You now put this in a freezer for about 15minutes.
4. After 15mins remove same and power it on.
5. This process should get your wifi up and running.
ps. You can try this process at your own risk and i wont be held liable for any damages whatsoever to your iDevices.
Alternatively one can do one or a combination of the following fixes to get your iDevice up and runnig again.
Fix 1Reboot or Restart your device, Press and Hold Sleep/ Wake button until you show Slide to power off toggle black screen, Otherwise Force restart By pressing and Hold Sleep/ Wake + Hold button at once.
Fix 2
if you are using WiFi dongle or USB adapter then restart it, Might be your device can’t gathering data over air. Or Might be issues with ip conflict.
Fix 3
Reconnect after erase WiFi network details from iDevice. Go to Settings > Wi-Fi > Tap on (i) icon > Forgot This network. Reconnect network by tap on name and enter correct security password.
Fix 4
This one is very useful to most iOS users. WiFi connection waiting for long time/ WiFi continuously searching or WiFi not working on iPhone.
Reset WiFi network setting. Settings > General > Reset > Reset Network Setting.
After that you have to reconnect password as a new connection.
Fix 5
Please check your device up to date, running on latest iOS version. With this you can short out minor bug fixed and improve network interface.
If you tried any alternative fix and it solves a WiFi disabled or WiFi not working error on iPhone, iPad or iPod Touch please share with others in the comments section.
Sunday, 3 January 2016
Shortcodes all in one awesome app
No need to memorise shortcodes any longer. Just use tellow app for all your Nigerian shortcodes be it gsm or bank shortcodes or even emergency numbers.
Tellow is a cross-platform mobile app which collates all USSD/SMS and Shortcodes for services that are important to you. Tellow is available for Android and will soon be released for iPhone iOS. You can dial the shortcode directly from the App.
Sunday, 13 December 2015
How to Check Phone Number on Airtel, Glo, MTN and Etisalat
You might find yourself in a situation where you want to
give out a number of a new sim you just bought and simply can’t remember. It’s
no crime to forget memorized numbers however this short codes can be used to check
the phone numbers of any sim on any network. The short codes are:
* MTN
Dial *663# or Dial *123# and follow onscreen process that follows.
* MTN
Dial *663# or Dial *123# and follow onscreen process that follows.
* ETISALAT
Simply dial *248# and your number will be displayed.
* AIRTEL
To check and know your mobile phone number on Airtel, dial *121#
Follow the onscreen instruction.
* GLO
Dial *135*8# on your Glo enabled phone and your number displays on your screen.
Just follow the aforementioned easy steps.
Spectranet 4G LTE rewards its subscribers
Spectranet 4G LTE is rewarding its numerous customers for their loyalty with 100% Data bonus for all renewals in December 2015 in the spirit of the yuletide.
This promo commenced on 1st December and will end on hte 31st December 2015. The beauty of the promo is that one can equally rollover the plan once you renew your subscription before the expiry date.
Please note that to qualify for monthly Rollover a subscriber has to remain on the same plan from a previous month.
Saturday, 5 December 2015
Sim Information
We offer 3 types of SIM cards with different sizes but all doing the same job. The SIM card types are:
Standard SIM
Micro SIM
Nano SIM

Every device is designed to work with a certain size, so ensure you check which one you need for your phone, tablet or mobile broadband/4G WiFi device.
Standard SIM
This is the original SIM size and is mainly used in older phones and devices. It measures 25mm x 15mm in size.
Example of devices using the standard SIM:
Micro SIMs are smaller size than Standard SIMs. These are mainly used in smartphones. It measures 15mm x 12mm in size.
Examples of micro SIM devices:
Used with the latest Apple devices, this is the smallest size out of the three. It measures 12.3mm x 8.8mm in size.
Examples of nano SIM devices include :
{Source: Gloworld website}
Standard SIM
Micro SIM
Nano SIM
Every device is designed to work with a certain size, so ensure you check which one you need for your phone, tablet or mobile broadband/4G WiFi device.
Standard SIM
This is the original SIM size and is mainly used in older phones and devices. It measures 25mm x 15mm in size.
Example of devices using the standard SIM:
- Apple- iPhone 3GS
- Samsung – Galaxy SII, Note
- Nokia – 300, 301
- HTC – Desire HD
Micro SIMs are smaller size than Standard SIMs. These are mainly used in smartphones. It measures 15mm x 12mm in size.
Examples of micro SIM devices:
- Apple – iPhone 4/4S
- Apple iPad Retina Display
- Sony – Xperia S, T, X, Z
- HTC – One
- Nokia – N9, Lumia 520/720/820
- Samsung – Galaxy Express, SIII, S4, Note II
Used with the latest Apple devices, this is the smallest size out of the three. It measures 12.3mm x 8.8mm in size.
Examples of nano SIM devices include :
- HTC – One (M8) HTC Desire 610
- Apple – iPhone 6, 6+, 5, 5c, 5s and iPad Mini
{Source: Gloworld website}
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