Huawei E5573 Quick Start Manual page 74

E, B, A, I, R, Z or K, depending on your region)
Batteries: HB434666RBC
The product software version is 21.318.02.02.00. Software updates will be released by the
manufacturer to fix bugs or enhance functions after the product has been released. All software
versions released by the manufacturer have been verified and are still compliant with the related
rules.
All RF parameters (for example, frequency range and output power) are not accessible to the user,
and cannot be changed by the user.
For the most recent information about accessories and software, please see the DoC (Declaration
of Conformity) at http://consumer.huawei.com/certification.
Please visit http://consumer.huawei.com/en/support/hotline for recently updated hotline and email
address in your country or region.
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