Template:FMB640 Dual SIM: Difference between revisions
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GSM/GPRS services. | GSM/GPRS services. | ||
SIM1 card has higher priority than SIM2. For one SIM | SIM1 card has a higher priority than SIM2. For one SIM | ||
card using it must be placed in SIM1 slot for FMB640 to switch minimum times. (SIM1 SLOT is closer to PCB, SIM2 SLOT | card using it must be placed in the SIM1 slot for FMB640 to switch minimum times. (SIM1 SLOT is closer to PCB, SIM2 SLOT | ||
is the upper one). | is the upper one). | ||
If SIM card is inserted into SIM 2 slot and 1 SIM operator list mode is used, FMB640 will | If a SIM card is inserted into SIM 2 slot and 1 SIM operator list mode is used, FMB640 will | ||
work normally, but there will be more switching activities. In addition, APN settings in GPRS | work normally, but there will be more switching activities. In addition, APN settings in GPRS | ||
should be entered for SIM 1 and SIM 2 to avoid not sending records over GPRS. | should be entered for SIM 1 and SIM 2 to avoid not sending records over GPRS. | ||
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{{{model|FMB640}}} gets possible operator codes list from the network and compares them with the operator codes | {{{model|FMB640}}} gets possible operator codes list from the network and compares them with the operator codes | ||
inserted in Home profile’s list. At first, it tries to connect to SIM 1 Home Operator, if operator is | inserted in the Home profile’s list. At first, it tries to connect to SIM 1 Home Operator, if the operator is | ||
unreachable; the device switches to SIM 2 slot and tries to connect to SIM 2 Home Operator. | unreachable; the device switches to the SIM 2 slot and tries to connect to the SIM 2 Home Operator. | ||
When the connection procedure is successful, FMB640 stays connected to the available | When the connection procedure is successful, FMB640 stays connected to the available | ||
home operator using the SIM card, which was inserted for and works according to the Home | |||
profile parameter settings. | profile parameter settings. | ||
If none of the Home operators could be connected with, FMB640 switches to the SIM 1 | If none of the Home operators could be connected with, FMB640 switches to the SIM 1 | ||
card tries to connect to its roaming operators from SIM 1 Roaming profile. | card tries to connect to its roaming operators from SIM 1 Roaming profile. | ||