This Post Canbe Helpfull But Try it At your own Risk As its Very Helpfull To Me
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Found one samsung E250 marked on back potion of cell & cell was lock to T-Mobile. As when unlocked it was forund that Cell can accept sim card butttttt there was no incomming/outsoing call as well as no sound like ringer,player,keypadtone just cell sounds only start up tone. So finally i checked all its H/W thought cell was brand New to make myself satisfy & as i said there was no H/W probs everything was oki speaker/ringer & Belt/Ribbon/Flexibelt & its motherbord too. So i planed to flash it with different flash file to solve this prob but i tryed it with UFS+HWK, UST to flash it but same as no resulttttt:( .After a long strugell i planed to go Samsung & the hell dont know what they did just in 20min my cell was in perfect working condition i tryed to ask then but asusual u people know company service stations. Finally i decided to study on that i found that Servicestation flashed mine E250 with E258 Flashfile as my cell lost its imei & its now 0000000000000000 but its working perfect as i am amaized so again i checked its H/W tooo & its the same as it was so finally this comes to solution E250 Sonud/Network/ Problem for new cell T-Mobile can be solved with flashing it with E258 Flash File:)
