I apologize for any confusion, but as mentioned earlier, there is no widely recognized or prominent staking service called ""Ethpool."" Ethpool was a popular Ethereum mining pool in the past, but it did not offer staking services.
However, if you are referring to unstaking in the context of Ethereum 2.0 staking, which is the upcoming upgrade to the Ethereum network, the ability to unstake your ETH may depend on the specific staking service or platform you choose. Different staking providers may have varying rules and restrictions regarding unstaking.
In Ethereum 2.0, there is a phase called the ""lock-up period"" during which your staked ETH is required to remain locked and actively participating in securing the network. This lock-up period is intended to ensure the stability and security of the network. The duration of the lock-up period can vary, and it is typically determined by the Ethereum protocol.
During this lock-up period, you may not be able to unstake your ETH or access it for other purposes. Once the lock-up period is over, and the Ethereum 2.0 network reaches a certain level of maturity, it is expected that unstaking and withdrawing your staked ETH will be possible.
However, it's important to note that the specific details and functionalities of unstaking may depend on the Ethereum 2.0 implementation and the staking service or platform you choose. It's advisable to thoroughly research and understand the terms and conditions of your chosen staking service regarding unstaking before committing your ETH.
Please keep in mind that the information provided here is based on the Ethereum ecosystem as of my knowledge cutoff in September 2021, and it's always recommended to consult up-to-date resources and official Ethereum documentation for the latest information on staking and unstaking in Ethereum 2.0.