Redmi Note 9 Pro Max will now be available for open sale via Amazon and Mi.com. It will also be available across Mi Home stores and retail outlets. The phone was launched earlier this year and was available only via flash sales, since then.Redmi Note 9 Pro Max will now be available for open sale via Amazon and Mi.com. It will also be available across Mi Home stores and retail outlets. The phone was launched earlier this year and was available only via flash sales, since then.