However during our internal testing and in our tests with operators, we revealed a number of issues in the update that could not be fixed.

但在我们的内部测试，并与运营商的测试中，我们发现一个问题，认为无法修复更新编号。

youdao

However during our internal testing and in our tests with operators, we revealed a number of issues in the update that could not be fixed.

但在我们的内部测试，并与运营商的测试中，我们发现一个问题，认为无法修复更新编号。

youdao