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jlkrichard

Downgrade impossible

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Bonjour,
Je souhaite downgrader mon téléphone en lollipop vu que j'ai pas mal de soucis mais je suis actuellement en Jazz numéro de built MT7-C900B522 version 6 android et j'ai télechargé sur Carbontesla ceci :
Rollback Details
Device: Huawei Ascend Mate 7
Model: MT7-L09
Codename: Jazz-L09
Android: v6.0 → v5.1
Firmware: B500
Build Number: MT7-L09C900B500
Release Date: 5.05.2016
Region: Europe
Branding: WEU Generic
Type: Transition firmware
Le soucis c'est que je reste bloqué à 5% pendant des heures. Je ne sais pas quoi faire. Auriez vous une solution svp ?
Merci de votre aide

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