If you have indefinite leave to remain and you correctly apply to the EU Settlement Scheme, you will get settled status under EU Settlement Scheme. When you apply to the EU Settlement scheme you do not have to prove that you have 5 years continuous residence.
Under EU Settlement Scheme you can stay up to 5 years in a row outside of the UK without losing your settled status . If you spend more than 5 years in a raw outside of the UK you will lose your settled status.