ha ok, you goal is to update to lollipop. Please follow:
[501u & 503L] B011 SP05/06 Chine, Android 5.11 + EMUI 3.1 BETA
** préalable: - Sauvegarder un maximum de choses, car notamment la partition interne de 16 Go sera wipée - être déjà sous la rom B011 pour 7D-503L (non rooté!). L'installer si ce n'est pas le cas (pour l'installer directement sur un 7D-501L, c'est ici ), ou la unrooter (votre logiciel utilisé pou...forum-frandroid-com.translate.goog
then maybe:
[7D-501u] chine B113 Android 5.1.1 + EMUI 3.1 BETA
une mise à jour de la lollipop beta (B110 SP06) déjà existante. Donc il faut l'appliquer sur cette ROM B110 uniquement. Téléchargement: http://www.mediafire.com/download/acc19f1c8nwza8e/7D-501uV100R002C208B113.zip ou http://pan.baidu.com/share/link?shareid=4145216597&uk=1462829182#path=%252FX...forum-frandroid-com.translate.goog
not that a very recent user did prefer not to updatez to B113 on his X1:
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[ROM][Official Beta][7D-503L & 7D-501u][Lollipop 5.1.1][EMUI 3.1][C208B011SP05/SP06]
[ROM][Official Beta][7D-503L & 7D-501u][Lollipop 5.1.1][EMUI 3.1][C208B011SP05/SP06] Huawei has officially started its lollipop upgrade program for MediaPad X1 (7D-503L & 7D-501u) by pushing the first OTA updates to beta testers. If you are not...forum.xda-developers.com
anyway use newpipe app instead of youtube app on your X1 on lollipop
hey again... i think i find the pb...my device only accept C233 (chinese) fw.. not accepting any c208 fw..
i flashed only this fw ,
7D-501u_EMUI_2.3_V100R002C233B010
i think i need c208 oeminfo.. or i need modify mine..