Changing sim cards that belong to different networks
I changed my sim from a virgin mobile sim to an o2 sim but when i turn it on it says, insert correct sim card. is there any way i can get around this problem and still use my O2 sim? please repost with any help. thanks
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A number of networks still use a default pin on their SIM cards at the point of dispatch as a security precaution. If you lose or forget the PIN code it can be irritating.
Please note these PIN's will only work if you have NOT changed the default PIN. If you enter the PIN code incorrectly three times, a lock will be put onto the SIM card, and you need a PUK code to unlock it.
You can obtain your PUK by contacting your network service provider.
Virgin Mobile uses proprietary software in it's phones. As such, (depending on the phone) a SIM card already activated for one Virgin Mobile phone may not work in another (different) Virgin Mobile phone - even if it is the exact make and model.
You may need to contact Virgin Mobile Customer service to request a new phone added to your account - and they may need to provide you with a new SIM card. They'll be able to let you know what you'll need to do depending on which phone you want to use on your account.
I have just tried it with my new locked to orange g600 and it works fine on all networks.
1-Turn on the phone without sim card . 2-Pull off the battery cover and insert any non-accepted sim card (without turning off the handset) 3-Do full reset *2767*3855# , phone will reboot and goes to Menu . 4-Customize Sp-lock code *7465625*638*00000000*00000000# 5-Unlock your phone with new SP code #7465625*638*00000000# 6-Enjoy G600 unlocked if it doesn't work after step 3.. try changing the 'non-accepted' sim card that ur putting in.. eg if you are locked to vodafone and you try this method and use an orange sim card and it doesn't work, try using a o2 sim or even virgin :) its easygood luck
i had a lg u890 mobile phone that i got unlocked but it had the same proble where i swithched on my phone it used to ask for the usim code..my old phone was locked to the 3 nt/wrk i got it unlocked so i could use my 3 nt/wrk sim card or any network simcard but i used vodafone 3g sim card.the code i used with my vodafone 3g network simcard in phone when switched phone on & it asked for usim sim code i inserted code i got & it shut the phone down then on again then it wld work with vodafone no bother at all it even came up with vodafone uk etc.but i had to reconfigure the sms/text telephone number aswell as reconfigure the mms settings & numbers etc aswell as reconfigure wap settings from 3g network to vodaphones.but after i got it all unlocked & settings changed etc & inserted a different 3g network simcard ie vodaphone/orange/o2/3g sim/t-mobile/tesco sim/virgin sims & switched phone on it asked for usim code i tryed the code i have & inserted the same code i have it/they switched phone off & then back on & all network usim card worked with no problems at all.the code i have is.>>> 142358#*# thats 142358# * # all 1 item/action.once you insert that 142358#*# thats it your phone will shut down then restart up & go onto the network usim card you want to use or inserted before using code.but 1 thing tho please remember if u switch off your phone or your phone switches off as batterys run out no power u will need to insert the code again.& another thing code wont work if your phone switches off or you switch it off & plug your mobile battery charger into phone to charge your battery up on the phone & you switch you phone back on when you are charging your phone as the phone will switch on & say insert usim code if you enter the code the phone will switch off & back on again but it will still request usim code.so you will have to wait unto there is plenty of charge in the battery to take phone off charge & swithch your phone on get the usim code message insert code above phone will switch off & straight back on again & then it will go onto your prefured usim card then you can plug your charger into phone again to charge phone up.you can use your phone on charger when u have entered usim code & it switched off & on again & registered with the prefered network.i hope this is of use to you as it is to me.if you try this code & either if it works or not please can you let me knows ty.email [email protected]