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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Samsung > Samsung Android based phones

Samsung Android based phones Discussion and all of your questions relating to the Samsung Android based phones.

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Old 01-21-2019, 05:24   #1 (permalink)
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J727t after flash invalid simcard.


i have j727t andriod 7 working sim after flash andriod 8.1.0 says invalid simcard need help how to unlock but version 8.1.0 may be not rooted in this time.
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Old 02-08-2019, 19:45   #2 (permalink)
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same problem with me also.. phone was working with all sim cards on 7.0 but after flashing 8.1.0, phone shows invalid sim card.. any solution..?
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Old 02-12-2019, 02:00   #3 (permalink)
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Quote:
Originally Posted by fawad85 View Post
i have j727t andriod 7 working sim after flash andriod 8.1.0 says invalid simcard need help how to unlock but version 8.1.0 may be not rooted in this time.
bro same method work good read cert by box change modem because security patch firmware update after flash modem combination read cert wipe efs after write cert back and fix drk good luck job done make money on your pocket...

Last edited by ghacks; 02-12-2019 at 02:03. Reason: need add more info
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