I am a new member, had a playbook for 12months & recently bought a 9900 Bold unlocked, factory refurb off ebay.
(9900 OS v126.96.36.1998 From SmarTone HK)
My work wont let me add BIS to my vodafone account so i bought a dual-sim adapter (Magicsim 28th ed) & a giffgaff sim.
I installed the MAGICSIM with the two sims inside with my Vodafone as sim 2 & GiffGaff as Sim 1.
when the 9900 boots up the default is sim 1 which shows up ok (but not yet activated) signal strength ok.
the 9900 asks me to signin my BB account, which i do. now normal operation.
next i switch to sim 2 using STK sim icon this then goes to vodafone sim 2. all still ok.
when i switch back to sim 1 i get sim not allowed message.
the sim is seen by the phone as i can go into settings & see sim 1's serial No.
the only way to get back to sim 2 is pull the battery.
i have also tried the 007 mode where you dial the sim, which works as above until i get to sim not allowed message. the 007 method requires a network to be present.
pleases could anyone advise me as i believe it is possible a security settings issue with the 9900 stopping me switching.