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Old 06-17-2009, 07:32 AM   #1 (permalink)
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Default Call Failed after unlocking blackberry 8700g

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Hi Ive got my BB 8700g from my brother in US w/c he bought from Ebay with a T-mobile service. I already unlocked the device and IT policy already blank but when i tried to call it always say "call failed". I cannot make a call or send SMS or do email. Please help other details listed below.

using:

Desktop Manager 4.7 (470_b050_multilanguage.exe)
BB 8700 OS: 8700EastAsia_PBr4.5.0_rel75_PL2.7.0.66_A4.5.0.52_T elstra
tried already BB OS : 8700M_PBr4.1.0_rel211_PL2.0.0.111_A4.1.0.258_Globe
location: Philippines
carrier: globe telecoms
note: it can read my sim card
with a T-Mobile startup logo
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Old 06-17-2009, 07:53 AM   #2 (permalink)
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Welcome to the forums!

Do you have a BlackBerry data package on your account with your carrier? It won't help with the call failure, but it will make a difference in you being able to e-mail, SMS, etc.
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1st Step in Troubleshooting: Do you have a BlackBerry Data Plan?
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Old 06-17-2009, 07:58 AM   #3 (permalink)
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I'm using a prepaid service here and what I know it has a data plan
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Old 06-17-2009, 08:19 AM   #4 (permalink)
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By way of testng, can you try it using a different SIM card? Or try your SIM in a different phone?
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Old 06-17-2009, 08:30 AM   #5 (permalink)
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I tried using a different sim card and still no luck. The current sim card that I am using is working in my Nokia phone. I can also browse the web in my nokia phone using the said card. I even tried a different carrier (SMART Communication) but still not working.
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Old 06-17-2009, 08:31 AM   #6 (permalink)
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It sounds like the device itself is defective. Is there any way for your brother to contact th e-bay seller?
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2nd Step in Troubleshooting: Pull the Battery.
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Old 06-17-2009, 08:45 AM   #7 (permalink)
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my brother used the phone for 2 months using a T-Mobile service and no problem encountered. He can make call, send SMS and check email using this device.
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Old 06-17-2009, 09:02 AM   #8 (permalink)
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It can only be one of three things: The SIM, the device , or how the service is set up with your carrier.

Sounds like you have proven the SIM isn't the problem.

Maybe if you can contact your carrier to verify how your service is set up, there will be something that will come to light.

If not, you can safely assume it is a a defective BlackBerry.
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2nd Step in Troubleshooting: Pull the Battery.
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Old 06-17-2009, 09:24 AM   #9 (permalink)
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thanks for the advice ndub33 but i dont want to think that there is a problem with the sim or my device is defective and my service provider setup is not that complicated as to compare with other. I'm still hoping that this is just a device software or configuration issue and i know that one day i can make this thing work with the help of this forum.
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