Dual sim android phone IMEI invalid - General Questions and Answers

Hi,
Ive bought a Dual sim android phone.
And when i put my sim card in the phone said Invalid IMEI.
I search on google for some solutions. Ive seen some solutions but not a good one that will work. Can someone help me?
Thanx, vince

Related

Help!! Not finding Sim card S2 I777

My s2 i777 will not see my sim card I need any advice to help with this I bought the phone From someone and they did not tell me this. anyway they said that they had a custom rom on it before they restored to factory settins is there anything I can do thanks in advance.
is it just your sim card that it can't read or have you tried multiple sims? if you've tried multiple sim, odds are you have a defective sim card slot.

[Q] After Reflashing Sim Card is not detecitng.

Hi All,
I have MicroMax A100. Suddenly boot problem developed after unsuccessful installation of some games.
From Reflashing by above post able to boot device but could not detect sim card.
http://forum.xda-developers.com/showthread.php?t=1842908&page=21
I tried all possible way i.e. remove battery & sim card as well as SDRAM for 10 mins. etc.
Nothing happens. Same SIM working well in other mobile.
When I google it I found many people having similar problem where after flashing SIM is not detecting. Is there any generic answer for this Generic Question.
Thanks in advance.
Maybe you could reflash or do another rom or reset your whole device.
Hope it helps
i would suggest you to try checking in other phones...(probably not a smartphone) i encountered the same problem after flashing my phone with the wrong ROM... somehow i got my SIM card running again.....
if you still face the problem... get your SIM card Replaced with a new SIM card and same number from your service provider. that way u can get your number activated:angel:

No Sim Card Galaxy S6 g920f

Hello guyz i have a sm-g920f galaxy s6 just bought 3 days ago second hand its been great i flashed the russian update from sammobile and flashed the custom kernel to root it i used it till today when i plugged it in my pc to transfer a movie and removed it suddenly it tells me "Sim card inserted.Restart" I restarted but it kept saying no sim card
now i tried different sim cards from different operators but still nothing flashed so many other firmwares and still nothing so guyz plzz help me if theres any solution to this problem i dont understand it if it is software or hardware :crying::crying:
awessyunus said:
Hello guyz i have a sm-g920f galaxy s6 just bought 3 days ago second hand its been great i flashed the russian update from sammobile and flashed the custom kernel to root it i used it till today when i plugged it in my pc to transfer a movie and removed it suddenly it tells me "Sim card inserted.Restart" I restarted but it kept saying no sim card
now i tried different sim cards from different operators but still nothing flashed so many other firmwares and still nothing so guyz plzz help me if theres any solution to this problem i dont understand it if it is software or hardware :crying::crying:
Click to expand...
Click to collapse
could possible be a blocked IMEI!!!!!!!!!!!!!!!!
Reflash stock 5.1.1 ROM via odin to solve your problem.
I already did that and nothing it just keep saying No sim card
awessyunus said:
I already did that and nothing it just keep saying No sim card
Click to expand...
Click to collapse
Did you make sure it wasn't stolen?
Please help .... I have a similar problem.
The SIM card it is inserted in the phone, but the phone still writes: Please insert SIM card
The SIM card is new and in the other device is functional.
Please help .... I have a similar problem. Writes that: No SIM card plugged in.
Please help
try checking csc via phone info.
Any fix to this?? I've just gotten the same problem on mine! Thought it might have reverted back to the region lock as I am now using a USA sim card and started off with a UK sim card. Just ordered a new UK Sim to see if inserting that one will fix the issue
Please .... Solution
Same problem here... No sim card.
mates81 said:
Please help .... I have a similar problem.
The SIM card it is inserted in the phone, but the phone still writes: Please insert SIM card
The SIM card is new and in the other device is functional.
Click to expand...
Click to collapse
12890 said:
Please help .... I have a similar problem. Writes that: No SIM card plugged in.
Click to expand...
Click to collapse
amber12129 said:
Any fix to this?? I've just gotten the same problem on mine! Thought it might have reverted back to the region lock as I am now using a USA sim card and started off with a UK sim card. Just ordered a new UK Sim to see if inserting that one will fix the issue
Click to expand...
Click to collapse
I had this issue with my first Galaxy S6... I went into the three shop and checked my sim and that worked with another phone, but my phone would not accept any other SIM card. I was told to send to Samsung for repair, luckily I was in my 30 day amazon exchange period so I just sent back to supplier and bought a new one.
Same poblem here.. When i insert sim card, the phone restart and when enter in Android show message... "Error occurred while unlocking network... Network unlock code block".... Its a Japan Docomo network.. U think that can resolve it with a subsidy code? To unlock a sim?
Solution needed urgent
Hello everyone till now their is no solution anyone can help plz reply,
i tried to unlock by z3x box pro, octopus box and spt box with no solution, even try to change CSC, rooting, reflashing the same problem still!!! . any solution?????
..same problem here, did anyone managed to fix this?
Also got this problem. Woke up randomly and now it just says no sim card no matter what i try to do.
does any of you have also missing mobile networks menu?
Yes missing my network menu same issue
---------- Post added at 09:44 PM ---------- Previous post was at 09:40 PM ----------
Any solution for this problem ...
Check my sim jacket by checking hardware
Reinstall many fw with odin even with twrp
Imei is OK efs OK im from Pakistan
This is what did the problem this sim problem appears days after doing this
1 flashing other rom model on different model like XEF on BTU...
2 updating android OTA failed
3 flashing with smart switch
Its not stolen its the g920f is the problem its sucks dude
If you dont have backup for efs folder and radio folder you need to fix it with octoplus box if you have warranty take it to samsung or if not visite repair place and ask for octoplus compatible with s6 but
This is what you get
1 Working sim
2 signal drops time to time mybe disconnected during calls am sure you get disconnected because i have
3 flashing stock you get stuck in bootloops
And if some one ask you about s6 the answer is dont say s6 its s sucks
Enjoy samsung junk smartphones
you mean the stock firmware cant repair my Efs and we need to fix it by octoplus box ? but here is not the problem of efs. my phone showing exect imei and s/n everytime...

second sim card not detect

after change the rom of my lenovo a 850, dual sim the second sim slot not detected no chip and no network please help
i try 3 diffrent official rom on my phone. but also i have the problem for second sim card.
IMEI might be invalid
Try to find out if your IMEI are unknown by your phone.
I had similar issue after I flash a stock ROM on my A850. For some reasons I could not use my two SIM cards as previously. IMEI of both SIM slot could were not identified by my new freshly installed Android. I had to do some engineering tricks by using "Engineer Mode MTK Shortcut" from Google Play and I followed tutorial on Youtube on Invalid IMEI. Lucky enough, my sticker inside my phone was still intact and could set those IMEI digits back on this phone. IMEI is a 15 digits code. Your phone has 2 IMEI.
René Droidz said:
Try to find out if your IMEI are unknown by your phone.
I had similar issue after I flash a stock ROM on my A850. For some reasons I could not use my two SIM cards as previously. IMEI of both SIM slot could were not identified by my new freshly installed Android. I had to do some engineering tricks by using "t" from Google Play and I followed tutorial on Youtube on Invalid IMEI. Lucky enough, my sticker inside my phone was still intact and could set those IMEI digits back on this phone. IMEI is a 15 digits code. Your phone has 2 IMEI.
Click to expand...
Click to collapse
it has one IMEI . after flashing the phone the imei wasnt known . then i register that with dongle . one slot only be active.
You have to register both slots with their respective IMEI. Was quite easy for me:
1) Install Engineer Mode MTK Shortcut from Google Play
2) Look for some video on Youtube about "Invalid IMEI on MTK Phone". Commands for registering the second IMEI has slightly different parameters than the first one but it works. All detailed in few videos that I cannot post URL but easy to find.
Problem not solved
I also have same problem and the problem is that the phone after rooting it was showing only one sim with invalid imei and the second sim is not being shown at all. It looks like it has become a single sim after rooting. Please help in detecting the second sim.

Vibe X3a40 No IMEI and No Sim signal

Hi guys,
I'm new to XDA so sorry if i have missed any thread on this, but i did search on this and got nothing. That's why i'm posting here.
I got into a bootloop in my vibe x3 and had flashed stock ROM for x3a40.
After flashing there is no IMEI number and also the sim card signals are not getting detected but the sim is getting detected.
Example: No Service - Jio.
Tried other sim cards, the same issue persists. Tried the sim cards in other phones and they work.
I'm guessing its because i flashed a stock rom.
Please guide me how to get back the IMEI number or atleast to get the signals detected as this is my primary phone.
Thanks in advance.

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