Three problems with my phone! Simcard registration failed, conection errors cant call out or recieve calls, sound problems
I turn my phone on and it comes up "sim reg failed" followed my "conection error" when i try to make calls. The sim is ok because it work in another phone. I phone my contract my suplier and there are no blocks on my sim or handset! plus when the phone was working had to make calls on load speaker because sounds like a robot on normal
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Try other company sim-cards......if they work....then try other docomo sim...if this works ur sim is faulty........get a new sim.......if ur set reads other co sim and not docomo....its ur sets fault.......u will have to change FEM(N2700 in pic.) ic...(as it has inbuilt duplex er i.e. antina switch which can cause this fault)... this ic can be obtained from a dead Nk2700....
There is another way to confirm this without dismantling ur set........switch on ur set with sim....ignore sim reg fail message.....go to menu>settings>phone settings>network>change this to manual >ok......now ur phone should search for network.....if it does not then either ur sim has fault or sim section......if it starts searching then let it search......after some time network service provider list will appear....on the top it should be tata docomo......if its not there then FEM ic to be replaced.....if it appears select it......if now sim registeration fail appears ....for ur and other tata docomo sim...then get software of ur set reloaded......if only ur docomo sim fails...get sim replaced
Welcome to Fixya. This is not a problem with the phone. SIM Registration Failed means that the network is not accepting the SIM card for some reason. So you will not be able to place/receive calls at all. Call customer service of the sim card provider. and ensure the activation is ok. Once the activation is done correctly, the towers will accept the SIM card again. If that doesn't work, then you need to tell them to give you another SIM.
hi, i am exactly not sure there this will solve your problem,but lets try it, just Reset eeprom by doing the following to ensure factory settings. 1) *2767*3855# phone will reboot to original settings 2) *2767*2878# phone will reboot
3)Press *#06# to get imei, write that down 4)Insert diferent sim card from different company 5)Turn on, at sim error enter *2767*688 imei number followed by# (example)*2767*688352787123423456# (imei has 15 numbers also located on back of phone) 6) Phone will reboot to your new service provider, enter *0141# then hit call button Phone should say personalized. turn off phone and insert different sim card. power back on. at sim unlock code screen enter 00000000 8 zero's hit enter This should unlock the e715 with the updated firmware Try at your own risk!!!! worked for me but who knows