BBK Vivo Y90 Dual SIM TD-LTE IN 16GB Compatibility on CST (Sao Tome and Principe) Mobile Network
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Device Model
BBK Vivo Y90 Dual SIM TD-LTE IN 16GB
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Carrier
CST
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Country
Sao Tome and Principe 
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BBK Vivo Y90 Dual SIM TD-LTE IN 16GB is compatible with 1 out of 1 band on CST (Sao Tome and Principe). See the tables below for details.
Frequency Bands Used by CST (Sao Tome and Principe)
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GSM
Compatibility - 1 out of 1 band supported
| Interface | Name | Supported by device? |
|---|---|---|
| GSM | 900 MHz (E-GSM) | Yes |
* A matching frequency band does not guarantee coverage. There may be additional network or device software restrictions that prevent a device from connecting on a certain frequency. Additionally, certain bands may only be available regionally within a country.
