UK upgrade on EE

Already have 2 contracts on EE,then mine and the wife's lines both on t mobile still are Due upgrades and in also looking for a new SIM only line for youngest daughter. Contacted EE about my upgrade to a M9,the price up front and contract price are ridiculous,and very low data allowance. Anyone especially had any good deals,I want to stay with EE if I can and with 5 contracts in total you would think they would to keep my business,but they are not playing ball

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